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Green circuit board with black memory chips, no heat spreader, 288-pin DDR5 DIMM

A-Tech

A-Tech 16GB DDR5 4800MHz CL40 Desktop RAM MD16GSD54800-TB

SKU CH-QZJG-24FFX

A 16 GB DDR5 DIMM running at 4800 MHz with CL40 latency and 1.1 V operation for desktop upgrades

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL40
  • Tested speed4800
  • Rated voltage1.1 V
  • 16GB DDR5 module adds capacity for heavier multitasking
  • 4800MHz rated speed moves data quickly through the system
  • CL40 CAS latency keeps response times tight
  • 10V standard voltage runs efficiently without extra cooling
  • 288-pin DIMM fits standard desktop memory slots

16GB DDR5 4800MHz CL40 Module

This 16GB DDR5 module runs at 4800MHz with CL40 timing and 1.10V operation. It is an unbuffered 288-pin DIMM built as a direct replacement for the PNY MD16GSD54800-TB part number. The stick targets desktop owners who need a straightforward capacity upgrade without ECC or registered buffering.

Thermals and power at standard voltage

The module operates at the DDR5 baseline of 1.10V and carries no heat spreader, so it relies on case airflow for cooling. At stock frequency the power draw stays low and the absence of a spreader keeps the profile slim for tight DIMM spacing. Noise is not a factor because the component has no moving parts.

Compatibility focus and quality assurance

The listing centres on verified compatibility with the PNY MD16GSD54800-TB reference, so buyers can match the exact part they are replacing. Every unit undergoes quality-assurance testing before shipment to confirm reliable operation at the rated 4800MHz speed. No extra software or accessories are bundled with the memory stick.

How it compares

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

Price $154.99
Pricier than about 62% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $9.69 per GB
Pricier than about 65% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for PNY
Model nameMD16GSD54800-TB
Total capacity16 GB
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL40
Tested speed4800
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forCompatible Replacement for PNY MD16GSD54800-TB

Questions about this item

How do I install this 288-pin DDR5 DIMM and what step is often missed?

Align the notch on the module with the slot key, press down firmly until both side clips click shut, then verify in BIOS that the memory is running at 4800 MHz and 1.10 V.

What maintenance or replacement will this 16 GB module need over time?

No scheduled maintenance is required; keep the slot and contacts dust-free, and replace the module only if memory errors appear or a larger capacity is desired.

What limit appears first during sustained workloads with CL40 latency?

The CAS latency of 40 cycles at 4800 MHz sets the response-time floor, so latency-sensitive tasks hit that timing ceiling before bandwidth saturates.

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