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Green rectangular circuit board with gold edge connector and black memory chips

A-Tech

A-Tech 8GB DDR3L 1600 ECC SODIMM 2Rx8 1.35V laptop RAM

SKU CH-820E-ZT1R2

8 GB DDR3L 1600 ECC SODIMM with 204 pins runs at 1.35 V for laptop upgrades

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • ECC protection prevents data errors in critical workloads
  • 1600 MHz DDR3L speed handles demanding multitasking
  • 35V low voltage reduces power draw and heat
  • 204-pin SODIMM fits compatible laptop and server slots
  • Replaces Samsung M474B1G73BH0-YK0, M474B1G73EB0-YK0, M474B1G73QH0-YK0 modules

8GB DDR3L ECC SODIMM for servers

This 8GB DDR3L 1600 module adds ECC unbuffered memory to compatible laptops or compact servers. It runs at 1.35V with CL11 latency and uses the 204-pin SO-DIMM form factor. The stick is built as a 2Rx8 configuration for higher density in a single slot. It targets administrators upgrading memory in workstation-class portables or small-form-factor servers.

Verify DDR3L slot and ECC support

Check that the system accepts DDR3L SO-DIMMs at 1.35V and can use unbuffered ECC modules. Confirm the motherboard or laptop chipset enables ECC functionality in BIOS. Ensure an empty 204-pin slot is available and that the maximum supported capacity per slot covers 8GB. The module replaces Samsung part numbers M474B1G73BH0-YK0, M474B1G73EB0-YK0 and M474B1G73QH0-YK0.

Single-module upgrade frees a slot

Installing one 8GB stick increases total memory while leaving additional SO-DIMM slots open for future expansion. The low-voltage DDR3L design reduces power draw and heat in dense enclosures. ECC capability helps maintain data integrity in workloads that require error correction. The unbuffered design keeps latency low for responsive performance.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $39.99
Cheaper than about 65% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $5.00 per GB
Cheaper than about 65% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Total capacity8 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeUnbuffered
Power
Rated voltage1.35 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

What comes in the box with the A-Tech 8GB DDR3L 1600 ECC SODIMM?

The box contains one 8GB DDR3L 1600 ECC SODIMM module rated at 1.35V with CL11 latency and 204-pin form factor.

How do I choose between the Samsung M474B1G73BH0-YK0, M474B1G73EB0-YK0 and M474B1G73QH0-YK0 equivalents?

All three Samsung part numbers are listed as compatible equivalents for this single 8GB DDR3L 1600 ECC SODIMM module.

What does the 1600 MHz rating mean once the module is installed in a laptop?

The module runs at DDR3L 1600 speed with PC3L-12800 bandwidth, CL11 timing and 1.35V operation for ECC error correction in compatible systems.

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