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Green 288-pin DDR5 UDIMM module with black chips, no heat spreader

OWC

OWC 8GB DDR5 4800 CL40 1Rx16 288-pin 1.1V UDIMM for Precision 3660 Tower 3660XE Tower memory upgrade

SKU CH-Z6DP-S45PN

An 8 GB DDR5 module running at 4800 MHz with CL40 latency, built for Dell Precision 3660 and 3660XE Tower workstations

  • Capacity8GB
  • Type288-Pin DDR5 Non-ECC UDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • 8GB DDR5 4800 MHz boosts multitasking headroom for Precision 3660 workstations
  • CL40 latency at 1.1 V keeps power draw low while running at full JEDEC speed
  • Single-rank 1Rx16 layout fits any 288-pin UDIMM slot without configuration changes
  • 100 % JEDEC and RoHS compliant for a warranty-safe, drop-in upgrade
  • Replaces Dell part numbers AB883073 and SNP29NJ4C/8G for guaranteed compatibility

Precision 3660 DDR5 Upgrade

This 8 GB DDR5 module is built for Dell Precision 3660 Tower and 3660XE Tower workstations. It adds a single 1Rx16 rank at 4800 MT/s with CL40 timing and 1.1 V operation. The non-ECC unbuffered UDIMM fits the 288-pin slots used by these systems. It targets professionals who need more memory capacity for multitasking and larger datasets.

Standard JEDEC Thermals

The module runs at the JEDEC-standard 1.1 V without a heat spreader. At the rated 4800 speed and CL40 latency, power draw stays within the base DDR5 specification for unbuffered DIMMs. No active cooling or extra airflow beyond normal case ventilation is required. Acoustic impact is negligible because the part has no moving components.

Slot-Level Compatibility

Installation uses a standard 288-pin UDIMM slot on the Precision 3660 or 3660XE motherboard. The single-rank 1Rx16 organisation leaves additional slots free for further upgrades if the board provides them. No BIOS update, voltage adjustment or proprietary tooling is needed. Builders who need ECC error correction or registered buffering must choose a different module type.

Pluspunten

  • 8GB DDR5 4800 MHz boosts multitasking headroom for Precision 3660 workstations
  • CL40 latency at 1.1 V keeps power draw low while running at full JEDEC speed
  • Single-rank 1Rx16 layout fits any 288-pin UDIMM slot without configuration changes
  • 100 % JEDEC and RoHS compliant for a warranty-safe, drop-in upgrade
  • Replaces Dell part numbers AB883073 and SNP29NJ4C/8G for guaranteed compatibility

Specificaties

BrandOWC
Part Number4U8D51R608GB
Capacity8GB
Type288-Pin DDR5 Non-ECC UDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx16
Heat SpreaderNo
Compatible SystemDell Precision Workstation 3660 Tower
Dell Precision Workstation 3660XE Tower

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How do I install the 288-pin DDR5 UDIMM in my Precision 3660 Tower, and which step do people often miss?

Power off the workstation, open the chassis, align the notch on the module with the slot key, press firmly until both retention clips click, then verify in BIOS that the new 8GB appears at 4800 MT/s; the step most often missed is fully seating both clips so the module locks in place.

What maintenance or replacement will this 1Rx16 1.1V module need over time?

No scheduled maintenance is required; the module has no heat spreader and no moving parts, so it runs until a fault occurs, at which point you would replace it with another JEDEC-standard DDR5 4800 CL40 UDIMM of matching rank and voltage.

What limit appears first when the Precision 3660XE Tower runs sustained workloads with this CL40 memory?

The primary limit is the JEDEC-rated 4800 MT/s data rate and CL40 latency; under continuous heavy use the memory controller will not exceed this speed, so throughput caps at the module's specified 38400 MB/s bandwidth.

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