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Two black DDR5 UDIMM modules, no heat spreaders, 288 pins each

OWC

OWC 4U8D51R8016P 16GB (2x8GB) DDR5 4800 CL40 1.1V desktop RAM

SKU CH-BKNA-KVA1T

A 16 GB dual-channel DDR5 kit with two 8 GB modules at 4800 MT/s, CL40 and 1.1 V for select desktops

  • Capacity16GB (2 x 8GB)
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 16GB (2 x 8GB)

  • 16 GB dual-channel kit doubles desktop memory capacity
  • DDR5 4800 speed with CL40 latency improves data throughput
  • 1 V JEDEC-standard voltage reduces power draw
  • 288-pin unbuffered non-ECC DIMMs fit standard desktop slots
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

OWC DDR5 4800 dual-channel kit

This 16 GB kit contains two 8 GB DDR5 4800 modules rated at CL40 and 1.1 V. It is an unbuffered non-ECC UDIMM designed for desktop, workstation, NAS and all-in-one systems. The kit follows JEDEC PC5-38400 specifications.

288-pin UDIMM fits standard DDR5 slots

Each module uses the 288-pin unbuffered form factor, so it installs in any desktop board wired for DDR5 without registered or ECC support. The dual-channel layout lets the memory controller interleave accesses across both sticks. No heat spreader is included, leaving clearance for larger CPU coolers.

JEDEC-standard voltage keeps thermals steady

At the nominal 1.1 V the modules run at their rated 4800 MT/s without overclock headroom, so sustained workloads stay within the defined power envelope. CL40 latency is fixed by the JEDEC profile, giving predictable timing during long render or compile sessions. Compliance testing aims to prevent voltage drift that can cause instability over time.

Pontos fortes

  • 16 GB dual-channel kit doubles desktop memory capacity
  • DDR5 4800 speed with CL40 latency improves data throughput
  • 1 V JEDEC-standard voltage reduces power draw
  • 288-pin unbuffered non-ECC DIMMs fit standard desktop slots
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

Especificações

BrandOWC
Part Number4U8D51R8016P
Capacity16GB (2 x 8GB)
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

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Perguntas sobre este artigo

Will the 4800 MHz speed hold steady during long rendering sessions without down-clocking?

The modules run at the JEDEC-standard 4800 MHz with CL40 latency at 1.1 V; sustained workloads stay at that rated frequency as long as the motherboard maintains the standard voltage and timing.

How much heat do the bare 288-pin DIMMs produce when the system runs all day?

Without a heat spreader the sticks rely on case airflow; at 1.1 V the DDR5 modules generate modest warmth that typical chassis ventilation handles without extra cooling.

Does my desktop need a DDR5-capable motherboard with 288-pin slots to use this kit?

Yes — the kit is a dual-channel pair of unbuffered non-ECC DDR5 UDIMMs that require a board with native DDR5 288-pin sockets and a memory controller that supports 4800 MT/s at 1.1 V.

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