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 printed circuit board with black memory chips and gold edge connector

SK hynix

SK hynix HMA851S6DJR6N-XN cover

SKU CH-95JF-52WMB MPN HMA851S6DJR6N-XN

A 4 GB DDR4 laptop memory module running at 3200 MT/s with a 1Rx16 layout

  • TypeCase
  • 4 GB DDR4 capacity boosts laptop multitasking
  • 3200 MT/s bus speed delivers responsive data throughput
  • PC4-25600 bandwidth supports demanding applications
  • 1Rx16 single-rank layout ensures broad compatibility
  • SO-DIMM form factor fits standard laptop slots

4 GB DDR4 SO-DIMM laptop memory

This SK hynix module delivers 4 GB of DDR4 memory in a SO-DIMM form factor for laptop upgrades. It operates at PC4-25600 (DDR4-3200) with a 1Rx16 organisation. The part is new and identified by model HMA851S6DJR6N-XN.

Suits laptops with DDR4 SO-DIMM slots needing a 4

Builders who need more than 4 GB of capacity should look at higher-density modules. Systems that require a different form factor or a lower-speed grade are not compatible with this part.

1Rx16 organisation at DDR4-3200

The single-rank 1Rx16 layout combined with the PC4-25600 speed rating determines whether the module works in a given laptop. Verify the motherboard supports this configuration before purchase.

Highlights

  • 4 GB DDR4 capacity boosts laptop multitasking
  • 3200 MT/s bus speed delivers responsive data throughput
  • PC4-25600 bandwidth supports demanding applications
  • 1Rx16 single-rank layout ensures broad compatibility
  • SO-DIMM form factor fits standard laptop slots

Specifications

TypeCase

Questions about this item

What DDR4 speed does the PC4-25600 rating deliver?

The PC4-25600 rating corresponds to DDR4-3200, so the module runs at 3200 MT/s.

What physical slot does the SO-DIMM form factor require?

The module fits a standard 260-pin DDR4 SO-DIMM socket found in most laptops and small-form-factor boards.

How is the stick seated correctly in the slot?

Align the notch with the key in the socket, insert the module at an angle, then press down until the side clips click into the notches on the PCB.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.