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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 4GB DDR3 1866 CL13 1.5V 240-pin desktop RAM

SKU CH-W5G5-XB9KX

4GB DDR3 desktop module running at 1866 MHz with CL13 latency and 1.5V operation on a 240-pin DIMM

  • Total capacity4 GB
  • Rated speedDDR3 1866 (PC3 14900)
  • ChipsetMajor Brand Chips
  • CAS latencyCL13
  • Tested speed1866
  • Rated voltage1.5 V
  • Faster load times with 1866 MHz DDR3 speed
  • Smooth multitasking from 4 GB capacity
  • Stable operation at standard 1.5 V
  • Broad desktop fit via 240-pin DIMM
  • Reliable quality backed by lifetime warranty

A-Tech 4GB DDR3 1866 Desktop Memory

This A-Tech module delivers 4GB of DDR3 1866 speed for desktop systems. It uses a 240-pin DIMM form factor and runs at the standard 1.5V voltage. The kit is tested for reliable operation in compatible AMD and Intel platforms.

Suits DDR3 1866 non-ECC desktop upgrades

Builders needing a single 4GB stick at PC3-14900 with CL13 latency will find this a direct fit. Systems that require ECC, registered modules, or a different DDR generation should select an alternative part.

The deciding spec is DDR3 1866 at CL13 1.5V

Your motherboard must support DDR3 1866 non-ECC unbuffered DIMMs at this voltage and timing. Verify the board's qualified vendor list before purchase to ensure the module will train correctly.

How it compares

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

Price $17.99
Cheaper than about 90% 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 $4.50 per GB
Cheaper than about 79% 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

Should I pick the 4 GB DDR3 1866 module or a different capacity for my upgrade?

This listing is a single 4 GB stick; choose it when your board has a free 240-pin slot and you need exactly 4 GB added.

What does the 1866 MHz rating actually deliver once the module is installed?

The stick runs at 1866 MHz with CL13 latency at the standard 1.5 V, giving the bandwidth and response time specified by the PC3-14900 designation.

How does the DDR3 240-pin interface limit performance in practice?

The 240-pin DIMM slot caps the module to DDR3 signalling, so the 1866 MT/s data rate is the maximum this form factor can provide.

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