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Green rectangular DDR3L DIMM with 240 gold pins and black chips

A-Tech

A-Tech 4GB DDR3L 1866MHz CL13 1.35V Crucial CT51264BD186DJ PC3L-14900 desktop RAM

SKU CH-9S8V-E4YJ3

A 4 GB DDR3L desktop DIMM built as a replacement for Crucial CT51264BD186DJ, running at 1866 MHz with CL13 latency and 1.35 V operation

  • Total capacity4 GB
  • Rated speedDDR3L 1866 (PC3L 14900)
  • ChipsetMajor Brand Chips
  • CAS latencyCL13
  • Tested speed1866
  • Rated voltage1.35 V
  • 4GB capacity adds multitasking headroom for everyday workloads
  • DDR3L 1866 MHz speed accelerates data throughput
  • CL13 latency tightens timing for snappier response
  • 35 V low voltage reduces power draw and heat
  • 240-pin DIMM fits standard desktop memory slots

4GB DDR3L 1866MHz CL13 desktop module

This A-Tech module provides 4GB of DDR3L memory at 1866MHz with a CAS latency of 13. It operates at 1.35V and uses a 240-pin DIMM form factor. The stick is unbuffered and non-ECC, built with major-brand chips for broad AMD and Intel compatibility.

Suitable for standard DDR3L desktop upgrades

This memory suits owners of desktop systems that accept DDR3L 1866MHz UDIMMs at 1.35V. It is not intended for platforms that require registered or ECC modules. Buyers should confirm their motherboard supports this speed, voltage and density before ordering.

1.35V low-voltage DDR3L specification

The single specification that decides fit is the 1.35V DDR3L operating voltage combined with 1866MHz speed and CL13 timing. Only systems designed for DDR3L at this frequency and latency will run the module at its rated settings.

How it compares

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

Price $19.99
Cheaper than about 88% 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 $5.00 per GB
Cheaper than about 72% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity4 GB
Performance
Rated speedDDR3L 1866 (PC3L 14900)
Processor
ChipsetMajor Brand Chips
Memory
CAS latencyCL13
Tested speed1866
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.35 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

What slot type and pin count does this module need?

It requires a standard DDR3 240-pin DIMM slot on the motherboard.

What is the correct way to seat the 240-pin DIMM so it locks in place?

Align the notch with the key in the slot, press down firmly until both side clips click shut; a common error is stopping when it feels tight but before the clips engage.

When should this 1.35 V DDR3L module be replaced?

Replace it if memory diagnostics report errors, the system becomes unstable, or you upgrade to a platform that requires a different memory generation.

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