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

Kingston Technology Corp.

Kingston Technology Corp. KVR400X64SC3A/512 512MB DDR 400 laptop RAM

SKU CH-A4HR-9VTZ8 MPN KVR400X64SC3A/512

512 MB DDR 400 laptop module with CL3 timing for legacy DDR SO-DIMM slots

  • Total capacity512 MB
  • Rated speedDDR 400 (PC 3200)
  • CAS latencyCL3
  • Memory timings3-3-3
  • Rated voltage2.6 V
  • Buffer typeUnbuffered
  • 512MB capacity upgrades older laptop memory
  • DDR 400 speed matches PC3200 system requirements
  • CL3 latency supports stable data access
  • 60V operation fits standard DDR voltage
  • 200-pin SO-DIMM fits compatible laptop slots

ValueRAM 512MB DDR 400 SO-DIMM

This Kingston ValueRAM module provides 512MB of DDR 400 memory in a 200-pin SO-DIMM form factor. It operates at PC 3200 speed with CL3 latency and 2.60V. The stick is unbuffered, non-ECC and has no heat spreader. It is a new component for laptop memory upgrades.

Laptops with DDR 400 SO-DIMM slots

The module suits notebooks that accept 200-pin DDR SO-DIMMs running at 400MHz and 2.60V. Systems requiring registered or ECC memory cannot use this stick. Laptops limited to lower DDR speeds or different pin counts should look elsewhere.

200-pin DDR SO-DIMM interface

The single specification that determines fit is the 200-pin DDR SO-DIMM interface running at DDR 400 (PC 3200). The laptop's memory slot must match this exact connector and signalling standard for the module to function.

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 512 MB
Lower than about 99% of the 1,886 comparable items (median 16 GB).
Price per GB $39.04 per GB
Pricier than about 91% 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 nameKingston
Product lineValueRAM
Model nameKVR400 × 64SC3A/512
Total capacity512 MB
Product type200-Pin DDR SO-DIMM
Performance
Rated speedDDR 400 (PC 3200)
Memory
CAS latencyCL3
Memory timings3-3-3
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage2.6 V
Size & build
Shipping weight0.05 kg
Package size170 × 56 × 15 mm

Questions about this item

Does this 200-pin DDR SO-DIMM fit a standard laptop memory slot?

Yes, the 200-pin DDR SO-DIMM form factor matches the standard slot used for DDR 400 (PC 3200) laptop memory.

What is the correct way to seat this module so the side clips engage?

Align the notch on the module with the key in the slot, insert the module evenly, then press down firmly until both side clips snap into the notches on the PCB.

Will this 512MB stick need any firmware updates or battery replacements over time?

No, the module is unbuffered non-ECC DRAM with no firmware or onboard battery, so it requires no maintenance or replacement beyond physical removal if you upgrade capacity.

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