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Green 204-pin DDR3L SODIMM module with black memory chips and gold contacts

A-Tech

A-Tech 8GB DDR3L 1600 ECC SODIMM 204-Pin 1.35V for Hynix HMT41GA7AFR8A-PB HMT41GA7BFR8A-PB HMT41GA7DFR8A-PB

SKU CH-4TE8-P02YR

An 8 GB DDR3L SODIMM with ECC error correction runs at 1600 MHz and 1.35 V for server and workstation laptops

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • ECC protection guards data integrity with built-in error correction
  • Low 1.35V DDR3L voltage reduces power draw and heat
  • 1600 MHz DDR3 speed delivers responsive multitasking performance
  • 204-pin SODIMM form factor fits compatible laptop and server slots
  • Replaces Hynix HMT41GA7AFR8A-PB, HMT41GA7BFR8A-PB, HMT41GA7DFR8A-PB modules

What this module is

This A-Tech 8GB DDR3L SODIMM is an ECC unbuffered memory upgrade for laptops and mobile workstations that require error-correcting code. It replaces Hynix HMT41GA7AFR8A-PB, HMT41GA7BFR8A-PB and HMT41GA7DFR8A-PB modules. The stick runs at 1600 MHz with a CAS latency of 11. Buyers who need non-ECC memory or registered DIMMs should look elsewhere.

The spec that decides fit

The module operates at 1.35 V and carries the PC3L-12800 designation, so the system must support DDR3L low-voltage operation. A board that only accepts standard 1.5 V DDR3 will not run this memory correctly. The 204-pin SO-DIMM keying and 2Rx8 organisation must also match the slot and chipset requirements.

How it fits a build

Insert the module into a free 204-pin SO-DIMM socket and the system gains 8 GB of ECC-protected capacity without raising voltage. The unbuffered design keeps latency low for typical mobile workloads. Ensure the platform enables ECC in the BIOS; otherwise the extra parity bits remain unused.

How it compares

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

Price $35.99
Cheaper than about 68% 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 $4.50 per GB
Cheaper than about 75% 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 does the 1600 MHz speed mean once the module is installed in a laptop?

The module runs at 1600 MHz DDR3L, delivering a peak transfer rate of PC3L-12800 when the system's memory controller supports that frequency.

How does the DDR3L 1.35 V interface affect compatibility and performance?

DDR3L at 1.35 V is backward compatible with 1.5 V DDR3 slots; the system will negotiate the lower voltage automatically.

Will the 204-pin SO-DIMM fit my laptop's memory slot?

Yes, the 204-pin SO-DIMM form factor matches the standard DDR3 laptop slot used by the Hynix HMT41GA7A/B/DFR8A-PB modules.

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