We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 4GB DDR3L 1600 SODIMM 1.35V for Hynix HMT451 laptop RAM

SKU CH-86D0-WX2KY

A 4 GB DDR3L 1600 SODIMM module at 1.35 V, CL11, 204-pin, for compatible laptops

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • Boosts multitasking with 4GB DDR3L 1600MHz capacity
  • Low 1.35V DDR3L voltage cuts power draw
  • 204-pin SODIMM fits standard laptop slots
  • CL11 latency keeps data access responsive
  • Tested compatible replacement for Hynix HMT451 series

4GB DDR3L 1600 SODIMM laptop upgrade

This 4GB module uses 204-pin DDR3L 1600 (PC3L 12800) memory rated at 1.35V. It is an unbuffered non-ECC SO-DIMM built to replace the listed Hynix HMT451 part numbers. The stick suits owners of AMD or Intel notebooks and all-in-one systems that accept DDR3L SODIMMs and need a straightforward capacity increase.

Low-voltage operation keeps thermals modest

At 1.35V the module draws less power than standard 1.5V DDR3, so heat output inside a compact laptop chassis remains low. CL11 latency at 1600MHz delivers normal responsiveness without extra voltage. No active cooling is required on the memory itself, so the upgrade adds no fan noise.

Sustained workloads stay within JEDEC limits

Continuous multitasking or longer rendering sessions run at the rated 1600MHz speed and 1.35V without exceeding the DDR3L specification. The single-rank 1Rx8 organisation avoids the density limits that can throttle some dual-rank modules under load. Buyers who need more than 4GB total capacity or who require ECC error correction should look elsewhere.

How it compares

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

Price $19.99
Cheaper than about 87% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% 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 capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.35 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

How do I install the 204-Pin DDR3 SODIMM in my laptop?

Power off the laptop, open the memory compartment, align the notch on the module with the slot key, insert the module, and press down firmly until the side clips lock it in place

What maintenance or replacement will this 4GB DDR3L 1600 module need later?

No routine maintenance is required; replacement is only needed if the module fails or if the system later requires more than 4GB of memory

What limit appears first under sustained use with this CL11 1.35V memory?

The 4GB capacity ceiling is typically reached before thermal or latency limits become noticeable during sustained workloads

More in Laptop RAM

Similar items