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Two black DDR2 desktop memory sticks, 240-pin, no heat spreader

OWC

OWC 4U2D21R8002P 2GB (2x1GB) DDR2 533 desktop RAM

SKU CH-019X-16QV6

Dual-channel kit of two 1GB DDR2 533 modules at 1.8V with CL4 latency for desktop upgrades

  • Total capacity2 GB (2 × 1 GB)
  • Rated speedDDR2 533 (PC2 4200)
  • CAS latencyCL4
  • Rated voltage1.8 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 2GB (2 x 1GB)

  • 2GB dual-channel kit expands multitasking headroom
  • DDR2 533 PC2-4200 CL4 timing matches legacy platform specs
  • JEDEC and ROHS compliant for warranty-safe installs
  • 8V unbuffered non-ECC design fits standard desktop slots
  • 240-pin modules tested in-house for reliable operation

DDR2 533 dual-channel kit

This OWC kit provides 2GB of desktop memory as two matched 1GB modules. They run at DDR2 533 speed with a CL4 latency and 1.8V operation. The unbuffered, non-ECC DIMMs use the standard 240-pin form factor. A black PCB completes the specification.

Suits older desktops needing a matched pair

The dual-channel configuration benefits systems with two available slots that support PC2-4200 modules. Builders repairing legacy workstations or upgrading basic office machines will find the JEDEC-standard parts straightforward to install. Systems requiring ECC, registered DIMMs, higher speeds or larger single modules should select a different product.

240-pin DDR2 533 UDIMM decides fit

The 240-pin unbuffered DDR2 533 interface is the single specification that determines whether this kit fits a motherboard. Only boards designed for PC2-4200 non-ECC memory at 1.8V will accept these modules. Verify the manual before purchase.

How it compares

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

Price $32.99
Cheaper than about 77% of the 3,647 comparable items (median $90.99).
Total capacity 2 GB (2 × 1 GB)
Lower than about 95% of the 3,251 comparable items (median 16 GB).
Price per GB $16.50 per GB
Pricier than about 90% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number4U2D21R8002P
Total capacity2 GB (2 × 1 GB)
Product colorBlack
Performance
Rated speedDDR2 533 (PC2 4200)
Memory
CAS latencyCL4
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

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Questions about this item

Will these modules work in a motherboard that only has PC2-4200 slots?

Yes, the kit is rated at PC2-4200 and runs at 533 MHz, so it matches that slot specification exactly.

Do I need to install both sticks together for the system to boot?

The kit is sold as a matched pair for dual-channel operation, but each 1 GB module can be used individually if your board only has one free slot.

Is any special voltage setting required in the BIOS?

The modules operate at the standard 1.8 V for DDR2, so most desktop BIOSes will configure them automatically without manual adjustment.

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