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Green circuit board with black memory chips and gold contacts

A-Tech

A-Tech 4GB DDR3 1866MHz CL13 1.5V 240-Pin DIMM Desktop RAM

SKU CH-VKWC-QQ1G0

A 4GB DDR3 desktop module running at 1866MHz with CL13 latency and 1.5V operation

  • Total capacity4 GB
  • Rated speedDDR3 1866 (PC3 14900)
  • ChipsetMajor Brand Chips
  • CAS latencyCL13
  • Tested speed1866
  • Rated voltage1.5 V
  • 4GB capacity adds multitasking headroom for everyday desktop workloads
  • DDR3 1866 MHz speed delivers responsive data throughput at PC3-14900 bandwidth
  • CL13 CAS latency keeps access times tight for smoother application switching
  • 5 V standard voltage ensures broad compatibility with AMD and Intel platforms
  • 240-pin unbuffered DIMM form factor fits straight into standard desktop motherboard slots

4GB DDR3 1866MHz Desktop DIMM

This A-Tech module provides 4GB of DDR3 memory at 1866MHz with CL13 latency. It uses the standard 240-pin DIMM form factor and runs at 1.5V. The unbuffered, non-ECC design suits mainstream desktop computers needing a straightforward capacity increase.

Standard voltage and unbuffered operation

Operating at the DDR3 standard 1.50V, the module draws typical power for its class without requiring elevated voltage. Unbuffered signalling keeps electrical load on the memory controller low, contributing to stable operation in compatible desktop boards.

Replaces Crucial BLS4G3D18ADS3 and BLT4G3D1869DT1TX0

This kit matches the specifications of the listed Crucial part numbers, offering a direct drop-in alternative. The upgrade is worthwhile when a system has free DIMM slots and the motherboard supports DDR3 1866MHz operation, allowing extra capacity for multitasking.

How it compares

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

Price $16.99
Cheaper than about 91% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $4.25 per GB
Cheaper than about 82% of the 3,251 comparable items (median $6.75 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 nameA-Tech
Total capacity4 GB
Performance
Rated speedDDR3 1866 (PC3 14900)
Processor
ChipsetMajor Brand Chips
Memory
CAS latencyCL13
Tested speed1866
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.5 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

How do I install this 240-pin DDR3 DIMM and what step do people get wrong?

Align the notch on the module with the slot key, press straight down until both side clips click, and verify the system detects 4 GB at 1866 MHz in BIOS; the step often missed is seating both ends evenly so the clips engage fully.

What maintenance or replacement will this 1.5V DDR3 module need later?

No routine maintenance is required; keep the contacts dust-free and ensure case airflow stays clear so the module runs at its rated 1.50 V without thermal throttling.

What limit shows up first under sustained use with this CL13 1866 MHz kit?

The CAS 13 latency at 1866 MHz sets the throughput ceiling; sustained workloads will hit that timing boundary before voltage or temperature becomes a factor.

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