We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green rectangular circuit board with gold edge contacts and black memory chips, no heat spreader

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 288-pin 1.1V UDIMM for Precision 3660 Tower 3660XE Tower

SKU CH-ART9-M7VYP

A 16 GB DDR5 4800 CL40 UDIMM upgrade for Dell Precision 3660 and 3660XE Tower workstations

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 16 GB DDR5 4800 CL40 boosts multitasking speed
  • 1 V operation reduces power draw and heat
  • JEDEC-standard PC5-38400 ensures warranty-safe upgrade
  • 288-pin UDIMM fits Precision 3660 and 3660XE towers
  • Single 1Rx8 rank module simplifies DIY installation

Precision 3660 Tower memory upgrade

This 16GB DDR5 module is built for Dell Precision Workstation 3660 Tower and 3660XE Tower systems. It replaces Dell part numbers AB883074 and AC027075. The kit targets professionals who need a straightforward capacity increase for demanding workloads. It is not suited for servers requiring ECC or registered DIMMs.

DDR5 4800 CL40 1.1V JEDEC standard

The module runs at 4800 MT/s with CL40 latency at the standard 1.1V JEDEC voltage. This single specification decides whether the part matches your platform's supported speed and timing. Systems that only accept slower DDR5 or require different voltage will not operate correctly with this module.

Single 288-pin UDIMM for open slot

The unbuffered 288-pin DIMM installs directly into an available UDIMM slot on the workstation motherboard. No heat spreader is fitted, so clearance is minimal and compatible with standard CPU coolers. The upgrade frees no additional slots beyond the one occupied. Builders needing ECC, registered memory or higher density per module must choose a different part.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $215.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $13.50 per GB
Pricier than about 60% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number4U8D51R816 GB
Total capacity16 GB
Product type288-Pin DDR5 Non-ECC UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell Precision Workstation 3660 Tower
Dell Precision Workstation 3660XE Tower

Other versions of this model

5 more in the same range

Questions about this item

What does the 4800 speed rating mean once the module is installed in my Precision 3660 Tower?

The module operates at 4800 MT/s with CL40 latency, matching the JEDEC standard for DDR5 4800 memory on the supported platform.

What interface standard does the 288-pin DDR5 connection use, and what does it cap in practice?

The 288-pin UDIMM follows the JEDEC DDR5 specification, running at 1.1 V with non-ECC unbuffered operation on the Precision 3660 and 3660XE.

What physical slot and clearance does this 1Rx8 UDIMM need to fit in the 3660 Tower?

It installs in a standard 288-pin DDR5 UDIMM slot and has no heat spreader, so it fits within the normal DIMM clearance of the Precision 3660 and 3660XE towers.

More in Model-Specific Memory Upgrades

Similar items