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Two black DDR5 DIMMs without heat spreaders, 64GB kit

OWC

OWC 64GB (2x32GB) DDR5 5200 CL42 1.1V desktop RAM

SKU CH-PTKR-B8X8W

Dual-channel 64 GB kit of two 32 GB DDR5 5200 CL42 modules at 1.1 V for desktop upgrades

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 64GB (2 x 32GB)

  • 64 GB dual-channel kit boosts multitasking headroom with two 32 GB modules
  • DDR5 5200 speed moves data faster for demanding workloads
  • CL42 latency keeps response tight under heavy loads
  • 1 V operation reduces power draw and heat
  • JEDEC and RoHS compliant for warranty-safe upgrades

64 GB DDR5 dual-channel kit

This OWC kit delivers 64 GB of DDR5 memory as two 32 GB unbuffered UDIMMs. It is intended for desktop, workstation, NAS and all-in-one systems that accept standard 288-pin modules. The kit operates at the JEDEC-standard 5200 MT/s speed with CL42 latency at 1.1 V.

Sustained-load behaviour

Running at the JEDEC 5200 MT/s specification means the modules maintain their rated frequency and timings without relying on overclock profiles. The 1.1 V operating voltage keeps power draw and heat output low during extended workloads such as large file handling, virtualisation or multi-app sessions. No heat spreader is fitted, so case airflow handles thermal management.

Pre-order checklist

Confirm your motherboard or system supports DDR5 288-pin UDIMMs at 5200 MT/s and can run 1.1 V JEDEC profiles. Verify that two DIMM slots are free for dual-channel operation and that the platform accepts 32 GB per slot density. Check the vendor’s qualified-vendor list or manual for explicit 64 GB kit validation.

How it compares

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

Price $892.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 90% of the 3,251 comparable items (median 16 GB).
Price per GB $13.95 per GB
Pricier than about 83% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number5U2D52R8064P
Total capacity64 GB (2 × 32 GB)
Product colorBlack
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will these modules fit a standard 288-pin desktop DDR5 slot?

Yes, they are 288-pin unbuffered DIMMs built to the JEDEC DDR5 form factor for desktop, workstation, NAS and all-in-one systems.

Do I need to enable XMP or change BIOS voltage to run at 5200 MT/s?

No, the kit operates at the JEDEC-standard 1.1 V with CL42 timings, so it runs at 5200 MT/s without manual tuning.

Can I add this 64 GB kit alongside my existing 32 GB DDR5 sticks?

Mixing kits is possible only if the motherboard supports the combined capacity and all modules share the same speed, voltage and timing; otherwise instability may occur.

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