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Two green DDR2 DIMM sticks with black chips, 240-pin gold contacts, 1.8V label

A-Tech

A-Tech 4GB (2x2GB) DDR2 533MHz PC2-4200 UDIMM 1.8V CL4 240-Pin Desktop RAM

SKU CH-26T0-CQ4CM

A 4 GB dual-channel DDR2 kit running at 533 MHz with CL4 latency and 1.8 V operation

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR2 533 (PC2 4200)
  • Tested speed533
  • Rated voltage1.8 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 4GB (2 x 2GB)

Speed DDR2 533 (PC2 4200)

  • 4GB dual-channel kit doubles bandwidth for smoother multitasking
  • DDR2 533MHz speed handles everyday desktop workloads efficiently
  • 8V standard voltage ensures broad motherboard compatibility
  • 240-pin UDIMM form factor fits legacy desktop slots
  • Rigorously tested modules deliver dependable system stability

Kit capacity and fit

This kit supplies four gigabytes across two unbuffered DIMMs rated for DDR2 533 operation. It targets desktop owners who need a straightforward capacity increase on platforms that accept 240-pin modules at standard voltage.

Verify platform requirements

Confirm that the motherboard supports DDR2 533 (PC2-4200) memory and provides 240-pin DIMM slots running at 1.8 volts. The modules are non-ECC and unregistered, so the board must accept that configuration for the kit to function.

Suitability summary

The dual-channel pair suits older AMD and Intel desktops specified for DDR2 533 speeds. Systems requiring ECC, registered DIMMs, a different DDR generation, or higher frequencies should select alternative memory.

How it compares

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

Price $24.99
Cheaper than about 83% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $6.25 per GB
Cheaper than about 56% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR2 Desktop Memory RAM
Total capacity4 GB (2 × 2 GB)
Performance
Rated speedDDR2 533 (PC2 4200)
Memory
Tested speed533
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Power
Rated voltage1.8 V
Compatibility
Recommended forAMD & Intel Compatible

Other versions of this model

5 more in the same range

Questions about this item

Will this 240-pin DDR2 kit fit a motherboard that only accepts DDR2 533 MHz UDIMM memory?

Yes, the kit is built to the DDR2 533 (PC2-4200) standard, uses 240-pin UDIMM modules and runs at 1.8 V, matching those motherboard requirements.

Can I install a single 2 GB module from this kit instead of the pair?

Each module is a 2 GB DDR2 533 UDIMM, so one will work alone, but the pair is tested for dual-channel operation and delivers the full 4 GB capacity.

Is this memory compatible with systems that require non-ECC unbuffered DDR2 DIMMs?

The modules are non-ECC and unbuffered, operating at the standard 1.8 V DDR2 voltage, making them suitable for desktop boards that specify that configuration.

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