22. 4 out of 5 stars 14 1 offer from $64. OptiPlex™ 755 system supports up to 8 GB of memory with a 64 bit operating system and up to 4 GB of memory with a 32 bit operating system. I would like to upgrade to 8 GB by. Intel pentium dual core. The technical guidebook states that 16Gb is the maximum, but this is incorrect. I would recommend minimum 1,5Gb RAM, minimum Windows 7 (that still supports latest browsers versions) and Pentium 4 with hyperthreading support (P4 650 for example). The memory was twice replaced using new Dell. Dear Dell Users. But Dell never tested the 755 with higher than 8GB RAM. Hi, I've got an Optiplex 755, 0pu052 motherboard, currently running 2 1 gb ddr2 667 mhz ram sticks, windows xp pro 32 bit, and would like to increase to 4GB the limit of 32 bit. 4. compare. Thank u for reply So what kind Of Ram Matches this computer ? i see some people using a 12gb ram In dell755 KVR800D2N5K2/4G is HIGH Density Ram. Having more USB ports is always handy and beneficial, as it will allow you to connect more. The memory will run at a lower PC2-6400 (or PC2-5300) speed on such a system. James83Alienware. How much memory does the Dell Optiplex 755 Mini Tower Computer take?. If you're running Win 7 Home Premium, 32 -bit, then the limit is 4 GB of RAM. I'm looking to upgrade the CPU on a Dell Optiplex 755 Desktop system. Buy Memory RAM Upgrades for your Dell Optiplex 755 [Mini-Tower] - 100% Compatibility Guaranteed. compare. $999. #5. The Memory Kit comes with Life. They both came with 2 x 1GB Hynix PC2-5300U. MT, SFF, AIO). Guaranteed Compatible with Dell Optiplex 755 Small Form Factor Computer. $64. Another one unsupported by Dell for the 755 - core 2 quad Q9650. NOTE: If you have the USFF, only 4GB are compatible. System CPU Type; N/A: Memory Warranty; Lifetime Warranty. The BIOS update I'm not sure about. #1 · Oct 19, 2008. Random Access Memory (RAM) is a type of hardware that your computer uses to store information. The Optiplex 755 system has four variants: Ultra small form factor, Small form factor, Desktop, Mini-tower. 2 slot supports 4X. My Optiplex 755 (desktop) came with 2 1Gb 800MHz sticks and I'd like to add another 1Gb, i. Over 2 years experience on this forum. The Dell OptiPlex 755 gives you advanced security options to help keep your data secure real-time. The GPU's coming with the optiplex are ***. RAM - 6GB DDR2. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade. The latest BIOS for your 755 is A22. It's not in specs, but some people have exceeded RAM in 7020 up. Thanks for your help so far, I really appreciate it. I currently have them all "maxed" out at 8GB RAM apiece, which is the listed maximum for eac. Maximum Memory; 16GB: Memory Expansion Slots / Banks; 4 Slots: Memory Type & Info; PC2-5300/6400 DDR2 SDRAM DIMM Intel Q35 Express Chipset. Dell Optiplex Desktops Support Forum. Hope this helps. Patriot Signature 4GB 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Desktop Memory Model PSD24G8002Memory speed issue after Optiplex 755 Memory Upgrade. Crucial Scanner. 2 posts · Joined 2008. View and Download Dell Optiplex 755 technical manualbook online. 30-07-2011 16:00 PM. Optiplex 755 DDR 2 Ram question. ¿. So I guess this should be high density. 23 gigs of RAM. 8 Ghz Dual Core Pentium (LGA775), 2x1 GB of 667Mhz DDR2, Integrated. More speed with little fuss: Installing and testing RAM modulesOptiPlex 780. In 2009 win 7 was released and started showing up on the 760 models and carried over to the 780 models which eventually became WIN7 models. 65v kit. Also for: Optiplex. good day! I have a DELL optiplex 755 SFF PC. I want to install 64 bit Linux so I got 2 new 2GB memory sticks and replaced the 2 1GB ones, into the same slots. There are 2 slots so you can put 4GB in each of the slots. Safely scan your system for max upgrade options. Find the service tag (a seven digit code of letters and numbers) written on a sticker on the back or. 66 GHz Intel Dual Core CPU and having a front side bus of 1333 MHz. These have Dell extra features like ambient temperature sensors, and 4 led diagnostic displays. 350 MHz / 450 MHz / 525 MHz / 650 MHz. CN698617CL07F0. 2. #3. Its owner had not used in years, I recently booted it up for the first time (after many years, probably, considering the CMOS battery had died) and it's running Windows 7 x64. Please choose your Dell Optiplex Computer model: OptiPlex 160. Base GPU Frequency. yes it is true, i still use my original dell optiplex gx280, 10+ years old. 48 delivery Jan 9 - 12. 4 out of 5 stars 14 $64. Actually, what he's saying is that the PC2-8500 will not run at its advertised speed in any non-tweakable OEM system such as that Optiplex. 1x 4270E - Screw M2X3 : 9365 : 1: 1x M. 0. 4. Maximum memory - 128 GB; Minimum memory - 4 GB; Memory per slot - 4 GB, 8 GB, 16 GB, and 32 GB; Number of slots - Four DIMM slots; Type - Dual. Type. 8 Gb/s (DDR2 800 dual 6. 5GB will be set aside for the OS. com SearchEl equipo OptiPlex 755 soporta memorias DDR2 SDRAM de 667 o 800 MHz, para que el ordenador reconozca los 8 GB de memoria, es necesario que el equipo tenga instalado un sistema operativo que trabaje a 64 bits. OPTIPLEX Spec Sheet 5000 Sustainability on OptiPlex OptiPlex is a leading platform for sustainable innovation and utilizes the most recycled content of all Dell PCs with up to 60% recycled plastic and closed-loop materials in its design. Dell part numbers = DW1P4 2GB,800MHz,256X64,256X64,Unbuffered,DDR2,240 Pin,Dual Rank,1. $3727. 33 GHz, 6 MB Cache. Each memory slot can hold DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300 with a maximum of 4GB kit (2GBx2) per slot. Model Comments: Machine name: Dell Optiplex 755 MiniTower CPU options: - Intel Core 2 Quad (1066MHz FSB) - Intel Core 2 Duo (1333MHz FSB) - Intel Core 2 Duo (800MHz FSB) - Intel Pentium (800MHz FSB) - Intel Celeron (800MHz FSB) Chipset: Intel Q35 Express Chipset HD Bus: SATA II (7200RPM) Front. 0 (6Gb/s) Show full device specification. I have a Nvidia Geforce GT220 video card, which is a low profile video card, it can consume the maximum of 58 W, and this video card requires at least 300 W works without problems. Rp325. Computer Specs: Processor: Intel (R) Core (TM) i5-2400 CPU @ 3. Also read up on pagefile. 1600MHz (DDR3 Non ECC) and: Note: DDR3 and DDR3L. Also, some Mobo's particularly OEM and other lower quality ones, often do not like having all the RAM slots filled. 8 V. KingstonMemoryShop stocks memory upgrades for your Dell OptiPlex 755 DT/MT/SFF Desktop to boost performance and capacity. DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell Inspiron 3668 -. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with systems using 4th Generation Intel (Haswell) processors, which exclusively support 1. Max System Memory: 8 GB: Installed Memory: 2 GB: Memory Socket: DIMM: Memory Technology: DDR2 SDRAM: System: Drive Controllers: Serial ATA: Interface Connection:Here's what I know about my pc: 223-0731 : OptiPlex 755 Desktop Energy Smart,Core 2 Duo E6550/2. Kingston Value Brand (KVR) almost never works. Find compatible Memory (RAM) for your Dell device - Optiplex Desktops. I want to know if I’ll be able to install a 1x2gb and 1x1gb in one slot, and a 1x2gb and 1x1gb in the other to reach 6GB. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 4. Espero ter ajudado. Depending on how much RAM you need, if you have any RAM heavy apps, 7020 has max listed RAM @ 16GB and 9020 @ 32GB. RAM & SSD Upgrades. 81 $ 50. 2GB 240-pin PC2-5300 DDR2-667 non-ECC non-Registered DIMM. 1x 4270E - Screw M2X3 : 9365 : 1: 1x M. Often I've found those "maximum" specs to be based on the largest dimm available at the time of publish, and not necessarily a system limitation. 0. The maximum amount of graphics memory will depend on the computer's Chipset. MP627 2. . Hi everyone, I'm a new user here and have a question for you. Unless you bought it already, I suggest A-Tech RAM. Thanks to Dell s innovative approach to scalable remote client management, the OptiPlex 755 offers you a choice. The Mr Memory upgrades below are 100% Compatible for your Dell. My background is that I have a Dell Optiplex E8400, 4GB Crucial Ram, 2- SATA CDRW/DVD's, 1. This computer supports maximum memory speed of 800MHz DDR2 SDRAM. From some discussion boards, I understand that I could upgrade to 8GB of. In fact, I think all three can run the Core 2 Quad, which would be the preferred CPU. Multitask between intensive programs. DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory. F886J 2. 21. Find compatible Memory (RAM) for your Dell device - Optiplex Desktops. Hello, I understand that buying more than 4 GB of RAM is wasteful becasue 32 bit win will not use it. Crucial's site has you enter the PC model. 3. 89 $ 64. Dell & Intel (especially Intel) didn't bother with revising their specs to reflect the times, or wasn't correct from the start, as we all know that the Optiplex 780 mid-tower & DT edition can run 16GB total RAM (DDR3-1333MHz). 8GB ram ddr2 @ 800Mhz will work, as I’ve upgraded from 4gb in my 755 DT. Crucial 8GB 4x2GB For Dell OptiPlex 740 745 755 760 PC2-6400 DDR2 800Mhz Memory. Graphics. Dell Latitude 3570 Win 11 i5 8GB 200GB SSD 15. 4. . By Danlewis3 in forum Classified Adverts Replies: 0 Last Post: 25th March 2010, 11:07 AM. I have googled this some and the folk at my630i. As you have XPS 1340 , so the maximum cacapcity for RAM is 8GB. That's when your PC will fly. Nov 13, 2023. Adding memory is one of the most cost-effective ways to improve your computer's performance. GX620= Pentium D or Pentium4 with 4 GIGS max DDR2 RAM = $100 or less in many places. Manufacturers. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Hi cutlassvillager1, The differences are fairly minor. com suggested ocz blades which are unavailable. Going one step further Crucial RAM states that 64GB of RAM total is compatible as per their site here. Press the power button. Products;. Most dell computers have code in the bios firmware that checks on the memory brand, and sets a flag, if non crucial memory is detected. . I've taken a humble Optiplex 755 Desktop chassis, upgraded the RAM to 4gb, upgraded the HD to a 60gb OCZ Vertex 2E Solid State Drive, added a PCI-E full-height riser, and upgraded the graphics card to the maximum possible that would fit into the case. By tech_guy in forum Hardware. Produce video, photography and music. N652J 3. Dell Optiplex 755 Full-Tower Desktop Specs and Details. my755. Hello, I'm planning to upgrade my OptiPlex 755. It's max RAM capacity is 8GB of 800MHz DDR2 RAM, Non-ECC. . Why does crucial recommend a higher maximum ram limit for my system than the system manufacturer? At Crucial®, we ensure that the higher amount of RAM is rigorously. Start a Conversation. According to the Dell manual, 8GB is maximum. Or fastest delivery Thu, Jul 6. Dell Desktops / Dell 755. #3. We would like to show you a description here but the site won’t allow us. Hi Deeprocks19, Please refer to your user manual. DELL™ OPTIPLEX XE . OptiPlex 9020 (MT, SFF) 4. Tangerang Selatan ICA JAYA MANDIRI. 4 Gb/s) of bandwidth and 8 Gb memory addressability for faster system. 66GHz Kentsfield Quad Core Q6700, 8MB, 1066FSB, G0. I have just bought a very similar, used Optiplex 755 DT on eBay with a similar CPU. Maximum internal drives supported : Drive configurations supported (max) PCIe lanes : Parts needed to install a M. 47. Can someone confirm the RAM capacity of an Optiplex GX 280? I bought a used machine, it is fitted with 2 x 512 MB. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Ultra Small Form Factor) - FREE US Delivery. de memoria Ram. I also have an Optiplex 790 DT; Win 7 32-bit; i3-2100; 250 GB HDD; 4GB RAM. Example:11-10-2014 06:00 AM. Alienware Desktops. 33GHz 4M,VT,1333FSB 330-1129 : Shipping Material for System Single Hard Drive Neo Desktop Dell OptiPlex 365-0257 : CFI Routing SKU 366-1551 : Custom Project Fee for ESLH 313-5426 : 16X DVD+/-RW,SATA,Dell OptiPlex. I'm going to buy my first Dell computer, which is a Dell Optiplex 755 Small Form Factor. It has a Core 2 Quad q6600 CPU in it, with 2 GB of ram and a PSU 275w. I know the maximum is 8GB, but would this work? I would like 8GB but my budget isn’t in heights for this older system. OptiPlex 3090 Small Form Factor. The USFF chassis does not. BTW, some will tell you the page file will wear your drive faster, technically correct, practically irrelevant. 2. 800MHz FSB, Intel Q35 Express Chipset. Memory. Hi, my PC came with a Samsung 8GB RAM (DDR5 UDIMM 4800MHZ). To get the best performance and speed from your Optiplex, upgrade to the maximum memory. Saying not supported doesn't state if it wasn't tested so they can't say it will work, or if it was tested and failed. This computer supports maximum memory speed of 800MHz DDR2 SDRAM. If the BIST LED turns on, the power supply is delivering power to the computer. GT 710 yes. OptiPlex. Difference from the Quad's in 780 to the E6850 is minimal for your real life performance. I just bought an Optiplex 7010 from Dell Outlet, and have a question. Thanks for your help so far, I really appreciate it. I used the 16GB Corsair 8 GB DIMM 1600 MHz PC3-12800 DDR3 Memory (CMZ16GX3M2A1600C9). I do have a PCI-E slot in that computer and AGP. 0 GB Windows XP Home, Intel Graphics Media Accelerator 3100 32 MB DDR 256 MB (shared). Buy Kingston Dell Optiplex 755 USFF/Ultra Small Form Factor Desktop Memory RAM & SSD upgrades. 89 $ 64 . Hi, I've got an Optiplex 755, 0pu052 motherboard, currently running 2 1 gb ddr2 667 mhz ram sticks, windows xp pro 32 bit, and would like to increase to 4GB the limit of 32 bit. 6. Or fastest delivery Jan 6 - 11. Optiplex's 755, 790, 7010. 0 ports, whereas Dell Optiplex 780 features 8 USB 2. 35 V operation for memory. 6Ghz cpu and 2Gb ram. Dell™ optiplex™ 755 technical guiDe MEMory Your computer supports a maximum of 8GB of memory when you use four 2GB DIMMs; however, 32-bit operating. PCI-E does not limit the graphics memory so users may see maximum graphics memory up to 1536MB used in some situations. 66GHz (2 CPUs), ~2. Also a Dell 20" monitor, and the monitor I use on the 7010 is a Dell 20". Dell Optiplex 755 SSF Core2Duo. I've had some skips in using recording studio software, my reasons for wanting to expand. This system supports 8GB (2 Dimms) of DDR3. $64. This item: 8GB 4X2GB Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory. Dell™ optiplex™ 755 technical guiDe systEM boarD connEctor MaxiMuM aLLowabLE DiMEnsions usff PCI Slot (s) Dimensions: (HxL) Height 4. Intel® Q965 (ICH8) Express Chipset. Enter model or choose from the list below. I know you must have Windows 7 Professional or Ultimate to access more. Later in the boot process, it will. So, I tried a kingston value ram of 4gb @ 1333M. version A08 date 02/19/2008 ROM size 4096 KB DMI System Information manufacturer Dell Inc. If the system and OS is 64 bits, it isn't a architectural reason to have a limit of memory to 4 or 8 GB. Late in its life it did get VISTA WDDM 1. #5. All Mr Memory recommended upgrades are 100% compatible with your Dell. Why does crucial recommend a higher maximum ram limit for my system than the system manufacturer? At Crucial®, we ensure that the higher amount of RAM is rigorously. Single slot cards with 1 fan can fit. OptiPlex Desktop Computers - OptiPlex business desktop computers offer space-saving features, advanced security, manageability and are a choice for everyday commercial. While they can take HDD's in the TB's, the max listed for SSD is 256 GB. Dec 27, 2016. 8GB de memória máxima. Free delivery and free returns with a 100% money back guarantee. It varies. If you really want to just max out your motherboard you could install an Optiplex 780 motherboard you would new to get DDR3 ram and then. CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 210L 320 330 740 745 755 Memory Ram Upgrade - A89 4. According to Dell's Optiplex site. have a Dell Optiplex 755 MT that was purchased as a barebones w/o a processor, memory or hd. 89 $ 64. At the technical guide (thank's for link to SpeedStep) I didn't find any information about supported max. Optiplex 755. Top Solutions. Home > Manufacturers > Dell > Desktops > Dell XPS > XPS 630i. I have an Optiplex 380 with 2 RAM slots which was listed as 4GB cpacity and I'm running 2x4GB=8GB DDR3 just fine. Both dual-channel and single-channel configurations are supported . Download Dell Optiplex 755 Broadcom LAN Driver - Network Card. 93 GHz, BIOS is A16 8/16/2013, installed memory is 4GB. Above Optiplex's are older. You get a 4x4GB kit requirement for your Dell OptiPlex 7010 MT system. Max Dimm size for this model is LOW Density INTEL compatible Ram 2 gig modules. The My Computer properties show 3. Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard. Read more. We always send matched modules, when you order 2 or more. Minimum memory. 240GB 2. exe. Intel Celeron 430 (1. The CPU upgrade is the area I'd appreciate some advice. 512 MB, 1 GB, or 2 GB non-ECC. 29-08-2020 12:00 PM. I recently purchased a new Dell Optiplex 755 with an E6750 2. Download the PDF file and follow the instructions for installing hardware, software, and drivers. The Dell OptiPlex 755 offers enhanced management and control with Intel® vPro™ processor technology, allowing IT staff excellent flexibility, high efficiency and reduced desk-side troubleshooting. Dell OptiPlex 755, like many other OptiPlex in this era, uses BTX standard (Inverted ATX), so no ATX and ITX family motherboards (even Micro ATX or Mini ITX) will FIT! Max RAM is 8GB (4x2GB). 2: pull power cord from wall. Design 1st OptiPlex was the first Dell product made with recycled materials in 2007. Ao your looking at DDR2-6667 or DDR-800mhz, 4x2GB DDR2 ram NON. (example: DDR3L) DDR3 is not backward-compatible with DDR2. Non-ECC dual-channel 2400MHz DDR4 SDRAM (2133MHz performance on. 8GHz Intel Celeron 430 n/a Serial ATA RAID, Ultra ATA/100 PCI/PCI Express 16x 80. . Manufacturers. System Board Connectors 14 System Board Connector Maximum Allowable Dimensions, Graphics/Video Controller 15 External Ports/Connectors 20 Communications – Network. The OptiPlex 755 supports the Intel Core 2 Quad, Intel Core2 Duo, Intel Pentium dual-core, Intel Celeron processors based on Intel's 775-pin (LGA775) socket. Help Me Choose. All other brands will fail the memory check at boot. $37. Dell Optiplex 755 Tower - 400GB HDD, 4GB Ram, DVD-Rom, 17in LCD Monitor, Windows XP Professional (Renewed) DELL OptiPlex, Intel Core 2 Duo 2. I want to know if I’ll be able to install a 1x2gb and 1x1gb in one slot, and a 1x2gb and 1x1gb in the other to reach 6GB. Dell OptiPlex 755, like many other OptiPlex in this era, uses BTX standard (Inverted ATX), so no ATX and ITX family motherboards (even Micro ATX or Mini ITX) will FIT! Max RAM is 8GB (4x2GB). Connect the power cable. Low Cost Delivery Low Prices 100% Safe & Secure Dell Optiplex 780 mt ram upgrade Hi I have a option of getting a Dell Optiplex 780 mt from a good friend of mine with 8GB of ram 500GB hard drive and Windows 10 Pro I would like to upgrade it to 16GB of ram the max it supports I have a HP Compaq DC5800 that's getting old and hard to get parts for and buying a new computer is still months away. We recommend Crucial for non-Dell memory as it is guaranteed to work in Dell's. 2 slot supports 4X. I would be worried about damaging the motherboard, or graphics card, or at very least crashing the computer regularly. Search. Results Amazon's Choice 8GB 4X2GB Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory 129 $3162 Save 6% Details FREE delivery Mon, Sep 11 Or fastest. Device Management. ovErviEw 3 Mini Tower Computer (MT) View 5. DDR3-1600MHz can be used & what I posted above, but. Dell. Optiplex 9010 Fan. 4. 30-07-2011 16:00 PM. 731 / 6. Plus, an all-new display. The stylish new OptiPlex 960 delivers advanced technologies to tackle any challenge without missing a beat. No need to upgrade PSU with those options. Also, some Mobo's particularly OEM and other lower quality ones, often do not like having all the RAM slots filled. This is just a guess though I am not Dell engineering and I don't have a Cpu to test. Hi, I have Dell Optiplex 755 DT model. 13GHz Core2 Duo Processor (1066MHz Front Side Bus), 3GB DDR2 250GB SATA Hard Drive, Crystal Clear , DVD/CDRW, Intregrated Lan/Audio, Onboard Video, Windows XP. 5Ghz - RAM: 256GB (16x8GB + 8x16GB) @ 1333Mhz - Storage: 1x Intel 160GB SATA III SSD, 12x Seagate SAS Enterprise 1TB HDD in RAID Z2, 4x Sandisk. 0GHz 4GB 160GB Windows Pro. 4. Sep 15, 2016. The specs scall for a maximum of 16GB total yet states that 16GB per slot is compatible. Tengo 4 memorias ram de 1gb en mi optiplex 755, quiero aumentarla a 8GB. It has to do with the number of banks that the MCH can drive as well as power etc. Maximum memory: 8GB Standard memory: 1 or 2GB removable All compatible upgrades DRAM Internal SSD External SSD Filter Internal SSD for: OptiPlex 755 Series (Desktop. Specs: DDR2 PC2-8500 • CL=7 • Unbuffered • NON-ECC • DDR2-1066 • 1. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 7020 (Mini-Tower) - FREE US Delivery. 0. If you are using a 32-bit operating system such as Microsoft® Windows® Vista®, your computer will support a maximum of 4 GB of memory. 1: power off. 5. 8V - HYMP151F72. I checked on Dell Precision's 3500 & 5500 due to their large capacities, including multiple HDD's. speedstep. I know the maximum is 8GB, but would this work? I would like 8GB but my budget isn’t in heights for this older system. The memory speeds supported include 667 and 800 MHz DDR2 memory. 765 inches centimeters PCIe x16 Slot Dimensions: (HxL) Height 4. 18,530. I checked on Dell Precision's 3500 & 5500 due to their large capacities, including multiple HDD's. . Find your system on our list of over 175,000 computers. 0GHz, a Radeon HD 7750 , Samsung 840 SSD, 8GB RAM. The newer the game or program intensity, the more negligible the OC will be. All Dell XPS 630i Memory Upgrades are backed by a lifetime warranty. It would be nice if the GTX1050 would run because it could move to your next machine. With 2 X 4 gig you get 7. , whats the max i can go and what are the specs ? i have Hynix 4GB DDR2 667 MHz PC2-5300F ECC 2Rx4 CL5 1. Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard . product OptiPlex 755 version unknown serial 8TQGJ3J UUID {4C4C4544-0054-5110-8047-B8C04F4A334A} SKU unknown family unknown DMI Baseboard vendor Dell Inc. 5mm adapter) Internal SSD CT4000MX500SSD1 Configuration ID: CT20740120 Maximum Memory; 16GB: Memory Expansion Slots / Banks; 4 Slots: Memory Type & Info; DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM Intel Q35 Express Chipset. - SkillBench (space shooter). It appears that you already have the maximum amount of RAM. Why does crucial recommend a higher maximum ram limit for my system than the system manufacturer? At Crucial®, we ensure that the higher amount of RAM is rigorously. Guaranteed Compatible with Dell Optiplex 755. Dell Optiplex 755/760 in the form factor of your choosing 4 GB DDR2 PC2-6400 RAM (2 will work, 8 is great)(there are 4 slots)(max per stick is 2GB) 40 GB or larger SATA HDD USB Mouse and Keyboard, Monitor and other accessories as necessary. 3. Model M323R1GB4BB0-CQK-0L. Thats why server boards that have more memory use regsitered buffered ram and support 128 256 512 gigs etc. 0 to 2. if your looking at one of these i would reccomend them because they blend into everyday use and tasks.