Bykski Durable Metal 4 Channel DDR4/5 Memory Heat Spreader/Block Combo (B-MRCOV-SR) - Continuous Usage
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Bykski Durable Metal 4 Channel DDR4/5 Memory Heat Spreader/Block Combo (B-MRCOV-SR) - Continuous Usage

5.0 (1) 5.0 out of 5 stars, 1 review Read the reviews
B-MRCOV-SR Only 9 left in Boise, ID
$275.99USDFree shipping, lower 48

US import duties and tariffs are included in every price.

Ships the same business day on orders placed before 2:00 PM MST. Overnight delivery available at checkout.
Ships directly from our Idaho inventory. You avoid overseas sellers, processing delays, international shipping, customs hold-ups and additional fees.
What this works with

Check these against your build before you order. If anything here does not match what you have, ask us first — it is cheaper than a return.

Meet the B-MRCOV-SR, a precision-crafted, 4-channel memory water block designed to cool up to four standard-height DDR4/DDR5 DIMMs at once. Built with CNC‑machined metal housing and precision clamping plates, it delivers reliable contact through included high-performance thermal pads for both sides of each module. Ideal for 24/7 workloads, overclocking, memory-heavy rendering, and server-like home labs, this compact unit streamlines multi-DIMM cooling without RGB fluff, just solid, efficient thermal management.

Not sure? Send us your model/part number and we'll confirm it for you.
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Why buy it here
US warranty, handled in Boise
Claims are settled here, by the people who sold it to you.
Exclusive US distributor
The official US source for Bykski, so every part is genuine.

What installing it actually involves

Three steps, in the order that matters. The one people get wrong is the first.

01
Confirm the hardware

Match your exact model against the compatibility notes, not just the product family.

02
Mount it dry

Thermal interface material as supplied. Even mounting pressure, correct bracket orientation, no over-torquing.

03
Leak test before power

Run the pump on a bench supply with the rest of the system unpowered. 24 hours is the standard, an hour is the minimum.

Water cooling parts are designed for self-installation by qualified users. Damage caused by installation error isn't covered — if you're unsure at any step, ask before you power the loop.

About this part

Meet the B-MRCOV-SR, a precision-crafted, 4-channel memory water block designed to cool up to four standard-height DDR4/DDR5 DIMMs at once. Built with CNC‑machined metal housing and precision clamping plates, it delivers reliable contact through included high-performance thermal pads for both sides of each module. Ideal for 24/7 workloads, overclocking, memory-heavy rendering, and server-like home labs, this compact unit streamlines multi-DIMM cooling without RGB fluff, just solid, efficient thermal management.

In the box
  • 1x B-MRCOV-SR heat spreader/water block assembly
  • Pre-cut thermal pads for 4 DIMMs (front/back)
  • Mounting screws and clamp hardware
If the gallery shows a parts diagram, that diagram is the source of truth for what ships.
Datasheet
ModelB-MRCOV-SR
Channels Supported4 DIMMs (dual-channel kits x2 or quad stick configurations)
Compatible MemoryDDR4 and DDR5 DIMMs (standard height, non-RGB)
Dimensions134 x 31.58 x 49.9mm
SKUB-MRCOV-SR

What buyers said

Left by people who bought this part here. Compatibility reports are the useful ones — if you fitted it, say which board.

Customer Reviews

Based on 1 review
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Nicholas O.
Looks to be great quality

I have not installed this yet, but it fits my all nickel theme. Combined with a supercool computer cpu nickel block, and all nickel fittings from primcochill. It's shaping up to be a very esthetic build.

Questions people ask about this part

Answers specific to B-MRCOV-SR. If yours isn't here, ask — we'd rather talk you out of the wrong part than sell you one.

What does this part fit?
This part is specified by what it connects to, not by a card model:

Meet the B-MRCOV-SR, a precision-crafted, 4-channel memory water block designed to cool up to four standard-height DDR4/DDR5 DIMMs at once. Built with CNC‑machined metal housing and precision clamping plates, it delivers reliable contact through included high-performance thermal pads for both sides of each module. Ideal for 24/7 workloads, overclocking, memory-heavy rendering, and server-like home labs, this compact unit streamlines multi-DIMM cooling without RGB fluff, just solid, efficient thermal management.

Check those against your build before you order. If anything does not match, ask us first — it is cheaper than a return. Part number B-MRCOV-SR.

Is it in stock, and when will it ship?
Yes — only 9 left in Boise, Idaho. Orders placed before 2:00 PM MST on a business day ship the same day — we do not ship weekends or US holidays. Overnight delivery is available at checkout.
Can I return it if it turns out not to fit?
Yes. Returns are accepted within 30 days and are easy to start in the support center. Unopened items can be returned for store credit with no restocking fee; other returns carry a restocking fee, higher for items that have been installed or used. So we would rather check the fit with you first: send us the model and we will check it against this part.
Will I pay import duties or customs charges on delivery?
Not on a US order. US import duties and tariffs are already included in the price, so nothing is collected at the door and there is no brokerage fee. Orders shipped outside the US may owe that country's customs fees and duties.
Who handles the warranty?
BYKSKI.US, the exclusive US distributor, from Boise, Idaho. Claims are handled domestically rather than returned to an overseas factory. Damage caused by installation error is not covered.
Is shipping free?
Yes — shipping is included at this price for addresses in the lower 48 US states.
Are printed instructions included?
No printed manual is included. Installation references are in the product gallery images, and the install guides on this site cover the process step by step.
Do I need anything else to use it?
A water block is one component of a loop: you also need a pump, a radiator, fittings, tubing and coolant. If you are starting from nothing, an AIO or a distro-plate kit is the shorter route — ask and we will spec it.

Ask us before you order

Send your exact hardware model and we'll confirm the right part before you spend $275.99 — or tell you honestly that this isn't the one.

Returns are accepted within 30 days and are easy to start in the support center. Unopened items can be returned for store credit with no restocking fee; other returns carry a restocking fee, higher for items that have been installed or used.

Ask about compatibility