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Green circuit board with black memory chips and gold edge connector

Kingston Technology Corp.

Kingston Technology Corp. KTC-PR266/512 512MB 184-Pin DDR SDRAM memory upgrade

SKU CH-0V8S-KTAED MPN KTC-PR266/512

512MB DDR 266 (PC 2100) unbuffered 184-pin SDRAM module built for HP/Compaq systems

  • Total capacity512 MB
  • Rated speedDDR 266 (PC 2100)
  • Buffer typeUnbuffered
  • Product type184-Pin DDR SDRAM
  • Compatible systemsHP/Compaq
  • Key featuresMfgr's System P/N's: 175925-001 (HP/Compaq); 257526-001 (HP/
  • 512MB capacity extends usable memory in compatible HP/Compaq systems
  • DDR 266 (PC 2100) speed matches original system specifications
  • Unbuffered design installs directly without registered memory requirements
  • 184-pin DDR SDRAM form factor fits designated HP/Compaq motherboard slots
  • Validated against six HP/Compaq part numbers for correct fit

System-Specific DDR SDRAM

This Kingston 512MB module uses a 184-pin DDR interface running at DDR 266 (PC 2100). It is built for HP/Compaq systems that reference part numbers such as 175925-001 or DC165A. The stick is unbuffered, non-ECC and has no heat spreader.

HP/Compaq DDR 266 upgrade

It suits owners of compatible HP/Compaq desktops or workstations needing a direct replacement or capacity increase. Systems requiring ECC, registered modules, higher DDR speeds or a different pin count cannot use this part.

DDR 266 (PC 2100) speed rating

The module operates at DDR 266, also labelled PC 2100, which determines whether it matches the memory bus of the target machine. If the host system requires a different DDR speed grade, this module will not function correctly.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 512 MB
Lower than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $46.86 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTC-PR266/512
Total capacity512 MB
Product type184-Pin DDR SDRAM
Performance
Rated speedDDR 266 (PC 2100)
Memory
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Size & build
Shipping weight0.09 kg
Package size170 × 56 × 15 mm
Compatibility
Compatible systemsHP/Compaq

Questions about this item

How do I install the 184-Pin DDR SDRAM module in my HP/Compaq system, and what step do people often get wrong?

Align the notch on the module with the key in the 184-pin slot, press firmly until the retaining clips click, and verify the system detects the full 512MB at DDR 266.

What maintenance or replacement will the KTC-PR266/512 memory need later?

No scheduled maintenance is required; the unbuffered DDR SDRAM has no heat spreader or moving parts, so it runs until a fault appears or you upgrade capacity.

What limit shows up first under sustained use with this DDR 266 module?

The 512MB capacity ceiling is reached before bandwidth or thermal limits, so heavy multitasking will hit the size constraint first.

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