20 Best 4gb 2rx8 Pc2-6400s-666-12-e3 [2024]

Are you looking for the best 4gb 2rx8 Pc2-6400s-666-12-e3? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4gb 2rx8 Pc2-6400s-666-12-e3.

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# Preview Product
1 Samsung 2GB 2Rx8 PC2-6400S-666-12-E3 DDR2 RAM Samsung 2GB 2Rx8 PC2-6400S-666-12-E3 DDR2 RAM
2 DUOMEIQI 4GB (2X 2GB) 2RX8 PC2-6300 PC2-6400 PC2-6400S DDR2 800MHz CL6 200 Pin 1.8v SODIMM Notebook... DUOMEIQI 4GB (2X 2GB) 2RX8 PC2-6300 PC2-6400 PC2-6400S DDR2 800MHz CL6 200 Pin 1.8v SODIMM...
3 A-Tech 4GB DDR2 800MHz SODIMM PC2-6400 1.8V CL6 200-Pin Non-ECC Unbuffered Laptop RAM Memory Upgrade... A-Tech 4GB DDR2 800MHz SODIMM PC2-6400 1.8V CL6 200-Pin Non-ECC Unbuffered Laptop RAM Memory...
4 Samsung M378T5663EH3-CF7 4GB 2 x 2GB PC2-6400U DDR2 800 NonECC Unbuff Memory Kit Samsung M378T5663EH3-CF7 4GB 2 x 2GB PC2-6400U DDR2 800 NonECC Unbuff Memory Kit
5 Samsung 4GB DDR3 PC3-12800 1600MHz 204-Pin SODIMM Laptop Memory Module RAM. Model M471B5273DH0-CK0 Samsung 4GB DDR3 PC3-12800 1600MHz 204-Pin SODIMM Laptop Memory Module RAM. Model M471B5273DH0-CK0
6 Samsung 4GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 Laptop ram Memory Module Samsung 4GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 Laptop ram Memory Module
7 Hynix 4GB DDR2 Memory SO-DIMM 200 pin PC2-6400S 800MHz HMP351S6AFR8C-S6 Hynix 4GB DDR2 Memory SO-DIMM 200 pin PC2-6400S 800MHz HMP351S6AFR8C-S6
8 4GB Kit (2GBX2) DDR2 800 Sodimm RAM, Kuesuny PC2-6400/PC2-6400S 1.8V CL6 200 Pin Non-ECC Unbuffered... 4GB Kit (2GBX2) DDR2 800 Sodimm RAM, Kuesuny PC2-6400/PC2-6400S 1.8V CL6 200 Pin Non-ECC...
9 Samsung 4GB SODIMM 1333MHz 204-pin, M471B5273DH0-CH9 Samsung 4GB SODIMM 1333MHz 204-pin, M471B5273DH0-CH9
10 Rasalas DDR2 800 PC2-6400 DDR2 4GB Kit (2x2GB) DDR2-800 Udimm Ram Desktop PC2-6400U 2RX8 1.8V CL6... Rasalas DDR2 800 PC2-6400 DDR2 4GB Kit (2x2GB) DDR2-800 Udimm Ram Desktop PC2-6400U 2RX8 1.8V CL6...
11 Timetec 4GB DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 Non-ECC Unbuffered 1.35V / 1.5V CL11 2Rx8... Timetec 4GB DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 Non-ECC Unbuffered 1.35V / 1.5V CL11 2Rx8...
12 Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 for Mac Book Pro (Early/Late 2011... Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 for Mac Book Pro (Early/Late...
13 Komputerbay 4GB DDR2 800MHz PC2-6300 PC2-6400 DDR2 800 (200 PIN) SODIMM Laptop Memory Komputerbay 4GB DDR2 800MHz PC2-6300 PC2-6400 DDR2 800 (200 PIN) SODIMM Laptop Memory
14 Samsung original 4GB, 204-pin SODIMM, DDR3 PC3L-12800, ram memory module for laptop (... Samsung original 4GB, 204-pin SODIMM, DDR3 PC3L-12800, ram memory module for laptop (...
15 Hynix 4GB DDR3 Memory SO-DIMM 204pin PC3L-12800S 1600MHz HMT351S6EFR8A-PB Hynix 4GB DDR3 Memory SO-DIMM 204pin PC3L-12800S 1600MHz HMT351S6EFR8A-PB
16 Samsung OWC 4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM Memory Samsung OWC 4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM Memory
17 Hynix 4GB PC3-12800 DDR3- 1600MHz non-ECC Unbuffered CL11 240-Pin DIMM HMT351U6CFR8C-PB Hynix 4GB PC3-12800 DDR3- 1600MHz non-ECC Unbuffered CL11 240-Pin DIMM HMT351U6CFR8C-PB
18 A-Tech 4GB DDR3 1600 MHz SODIMM PC3-12800 CL11 Laptop RAM Memory Module A-Tech 4GB DDR3 1600 MHz SODIMM PC3-12800 CL11 Laptop RAM Memory Module
19 SAMSUNG M471B5173QH0-YK0 4GB DDR3L PC3-12800 CL11 512MBX64 512MX8 1.35V 204P SODIMM SAMSUNG M471B5173QH0-YK0 4GB DDR3L PC3-12800 CL11 512MBX64 512MX8 1.35V 204P SODIMM
20 Hynix HMT451S6AFR8A-PB 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm 1.35V Low... Hynix HMT451S6AFR8A-PB 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm 1.35V...
SaleBestseller No. 1
Samsung 2GB 2Rx8 PC2-6400S-666-12-E3 DDR2 RAM
  • Samsung P/N M470T5663QZ3-CF7
  • 2GB DDR2-800 PC2-6400
  • 200Pin Sodimm
  • CL6 Dual Rank x8
Bestseller No. 2
DUOMEIQI 4GB (2X 2GB) 2RX8 PC2-6300 PC2-6400 PC2-6400S DDR2 800MHz CL6 200 Pin 1.8v SODIMM Notebook...
  • ✅Model: ddr2 pc2-6400 Dual Rank Sodimm Ram laptop memory. (Before installation, please wipe connection figure with eraser gently.)
  • ✅Memory Chip: From big brand manufacturers, a high level of reliability.
  • ✅Connecting Finger: Advanced electroplating process is applied on the connecting finger to improve corrosion resistance and electrical conductivity.
  • ✅WARRANTY SERVICE: Life-time warranty for your confidence purchase. Any problems, please feel free to contact us, we are here for you 24 hours.
Bestseller No. 3
A-Tech 4GB DDR2 800MHz SODIMM PC2-6400 1.8V CL6 200-Pin Non-ECC Unbuffered Laptop RAM Memory Upgrade...
  • 4GB ( 1x 4GB Module ) | DDR2 800 MHz ( PC2-6400 / PC2-6400S ) | DDR2 SO-DIMM ( 200-Pin ) | Non-ECC Unbuffered
  • High performance Memory RAM upgrade designed for DDR2 SODIMM compatible Laptop, Notebook, & All in One (AIO) computers
  • Boosts the performance of your system by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle...
  • All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications...
  • A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
Bestseller No. 4
Samsung M378T5663EH3-CF7 4GB 2 x 2GB PC2-6400U DDR2 800 NonECC Unbuff Memory Kit
  • Manufacturer: Samsung M378T5663EH3-CF7
  • Memory Type: 240 Pin DDR2 SDRAM
  • Capacity: 4GB 2 x 2GB
  • Bus Type: PC2-6400U 800Mhz
  • Error Correction: Non-ECC
SaleBestseller No. 5
Samsung 4GB DDR3 PC3-12800 1600MHz 204-Pin SODIMM Laptop Memory Module RAM. Model M471B5273DH0-CK0
  • Cas CL11
  • Voltage 1.5
  • 4GB Single Stick. Dual rank if bought in pairs.
  • 204 pins
Bestseller No. 6
Samsung 4GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 Laptop ram Memory Module
  • Module Size: 4GB (1 x 4GB)
  • Package: 260-pin SODIMM
  • Feature: DDR4 PC4-21300
  • Specs:DDR4 PC4-21300 CL=19 Unbuffered NON-ECC DDR4-2666 1.2V
  • Lifetime warranty
Bestseller No. 8
4GB Kit (2GBX2) DDR2 800 Sodimm RAM, Kuesuny PC2-6400/PC2-6400S 1.8V CL6 200 Pin Non-ECC Unbuffered...
  • Before purchase please ensure RAM model, RAM slot and max memory of your compute.
  • DDR2 ram support DDR2 800 /PC2-6400 laptop, 200 Pin 1.8V CL6 Non-ECC Unbuffered 2RX8 Dual Rank.
  • 【Compatibility】DDR2 pc2-6400 great Compatible with AMD,Intel systems

  • 【HI-Q Chip and Strict Test】Extensively tested at the component and function level. Ensure the quality of each ddr2 pc2-6400 4gb.

  • 【Life-time Warranty】If for any reason you're not completely satisfied with our ddr2 ram 2gb Memory, please don't hesitate to contact us.
Bestseller No. 9
Samsung 4GB SODIMM 1333MHz 204-pin, M471B5273DH0-CH9
  • Samsung Model: M471B5273DH0-CH9
  • Capacity: 4GB
  • 204-Pin
Bestseller No. 10
Rasalas DDR2 800 PC2-6400 DDR2 4GB Kit (2x2GB) DDR2-800 Udimm Ram Desktop PC2-6400U 2RX8 1.8V CL6...
  • 🖥 Superior Compatibility: Rasalas memory has been tested for compatibility with motherboards of various brands, with strong compatibility and high...
  • 🖥 Quality Components: Use original granules, under rigorous testing and screening, do high and low temperature endurance tests for the mainstream...
  • 🖥 Reliable Performance: Rasalas Memory is plug and play ready. Don't let your computer limit what you can do. An Rasalas memory upgrade boosts your...
  • 🖥 What You Get:2x 2GB DDR2-800MHz PC2-6400U Ram memory, used in AMD, Intel systems. 24 hours warm service, lifetime maintenance.
Bestseller No. 11
Timetec 4GB DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 Non-ECC Unbuffered 1.35V / 1.5V CL11 2Rx8...
  • [Specs] DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 204-Pin Unbuffered Non-ECC 1.35V / 1.5V CL11 Dual Rank 2Rx8 based 256x8
  • [Capacity] Module Size: 4GB Package: 1x4GB ;
  • [Voltage] JEDEC standard 1.35V, this is a dual voltage piece and can operate at 1.35V or 1.5V
  • [Compatibility] Compatible with DDR3 Laptop / Notebook PC, Mini PC, All in one Device
  • [Color] PCB Color may be different (Black or Green) due to different production batches
SaleBestseller No. 12
Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 for Mac Book Pro (Early/Late 2011...
  • DDR3 1333MHz PC3-10600 204 Pin Unbuffered Non-ECC 1.5V CL9 Dual Rank 2Rx8 based 256x8 Module Size: 8GB KIT(2x4GB Modules) Package: 2x4GB
  • Compatible with Apple Mac Book Pro -13 inch / 15 inch / 17 inch Early 2011, 13 inch / 15 inch / 17 inch Late 2011 - Mac Book Pro8,1 Mac Book Pro8,2...
  • Compatible with Apple iMac - 21.5 inch/ 27 inch Mid 2010, 21.5 inch / 27 inch Mid 2011, 21.5 inch Late 2011- iMac11,2 iMac11,3 iMac12,1 iMac12,2
  • Compatible with Apple Mac Mini - Mid 2011 - MacMini5,1 MacMini5,2 MacMini5,3
  • Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States
Bestseller No. 13
Komputerbay 4GB DDR2 800MHz PC2-6300 PC2-6400 DDR2 800 (200 PIN) SODIMM Laptop Memory
  • Komputerbay 4GB DDR2 800MHz PC2-6300 PC2-6400 DDR2 800 (200 PIN) SODIMM Laptop Memory
  • 100% Compatible with Laptops - buyers needs to ensure that each slot can handle 4GB SODIMM modules.
  • BRAND NEW 4GB PC2-6300 PC2-6400 DDR2 800 Mhz. Supports Dual Channel.
  • Compatible with LAPTOPS THAT SUPPORT DDR2 200PIN 4GB MEMORY in each Slot
  • Lifetime Warranty
SaleBestseller No. 14
Samsung original 4GB, 204-pin SODIMM, DDR3 PC3L-12800, ram memory module for laptop (...
  • Module Size: 4GB (4GBx1)
  • Package: 204-pin SODIMM
  • Feature: DDR3 PC3L-12800
  • Specs: DDR3 PC3L-12800 CL=11 Unbuffered NON-ECC DDR3-1600 1.35V
SaleBestseller No. 15
Hynix 4GB DDR3 Memory SO-DIMM 204pin PC3L-12800S 1600MHz HMT351S6EFR8A-PB
  • This Memory is for a Laptop or notebook computer only.
SaleBestseller No. 16
Samsung OWC 4.0GB PC3-10600 DDR3 1333MHz SO-DIMM 204 Pin SO-DIMM Memory
  • Samsung 4 GB DDR3 1333 MHz Unbuffered SODIMM, internal memory: 4 GB
  • Internal memory type: DDR3
  • Memory frequency: 1333 MHz chips organisation: 512 Mx64
SaleBestseller No. 17
Hynix 4GB PC3-12800 DDR3- 1600MHz non-ECC Unbuffered CL11 240-Pin DIMM HMT351U6CFR8C-PB
  • Technology: CMOS
  • Memory Width: 64
  • Supply Voltage-Max (Vsup) 1.58 V, Supply Voltage-Min (Vsup) 1.42 V, Supply Voltage-Nom (Vsup) 1.5 V
SaleBestseller No. 18
A-Tech 4GB DDR3 1600 MHz SODIMM PC3-12800 CL11 Laptop RAM Memory Module
  • Compatible with select Laptop computers + Easy to install at home, no expertise required
  • Maxmize your system's performance, boost loading speeds and multitask with ease
  • Backed by A-Tech's Lifetime Warranty + Friendly tech support team available to help before and after your purchase
  • Single 4GB RAM Module | DDR3 SO-DIMM 204-Pin | Speeds up to 1600MHz, PC3-12800
  • NON-ECC Unbuffered | 1Rx8 or 2Rx8 - Single or Dual Rank | JEDEC standard DDR3 1.5V or DDR3L 1.35V
SaleBestseller No. 20
Hynix HMT451S6AFR8A-PB 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm 1.35V Low...
  • PC3-12800 DDR3-1600MHz
  • non-ECC Unbuffered CL11 204-Pin SoDimm
  • Component test and cleanup
  • 1.35V Low Voltage Single Rank Memory Module

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FAQ:

Q: What is the voltage of a 4GB 2 RX 16 Ram?

A: This is a low-voltage memory (1.35V), but it also supports normal voltage (1.5V). Hope this list of the best 4gb 2rx16 pc2 6400s 666 12 hot deals will be helpful for you.

Q: What is the best 4GB RAM for a laptop?

A: Rasalas 4GB DDR3 PC3-12800 DDR3 1600 MHz SODIMM RAM PC3L 12800S DDR3 4GB 2Rx8 1.35V CL11 Notebook… Samsung 4GB DDR3 PC3-12800 1600MHz 204-Pin SODIMM Laptop Memory Module RAM. Model M471B5273DH0-CK0 4GB Single Stick. Dual rank if bought in pairs.

Q: Is this a good 2GB RAM to upgrade over 10 years old?

A: This is a good 2 GB Samsung DDR2 RAM to upgrade over 10 years old laptop. It’s not cheaper than current newer RAM at same size, but it’s rare to see such old RAM now. It’s not as fast as newer RAM but it still works to view YouTube at standard quality without much interruption. 4-star rating was valid for this product.

Q: Are pc2-6400s-666-12-e3 RAM boards still available?

A: I was pleased to see there were PC2-6400S-666-12-E3 DDR2 RAM boards, still available and placed an order. It came WAY before the proposed date, well packaged and sealed in anti static pack. When I first inserted the board, the PC didn’t boot.. I removed the board and “wiped” the contacts and re-inserted. Worked fine! (an “old” electronics trick)