Name: Heatsink x3100 M4
Brand: IBM
Price: 11.95 USD
Availability: InStock

IBM 81Y7943 Heatsink x3100 M4

The IBM Heatsink x3100 M4 (part number 81Y7943) is a high performance thermal solution designed for demanding server environments. Engineered to dissipate heat quickly and reliably, this heatsink helps maintain optimal processor temperatures, ensurin... Read More

price

$11.95

In Stock: 4
Manufacturer: IBM
Model or Part: 81Y7943
Condition: Refurbished
Weight: 3.00lb

Qty

Add to Cart

Buy Now

Add to Wish List

Shipping Information

United States Shipping

Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.

To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.

International Shipping

International orders begin processing as soon as payment is confirmed.

Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.

Expedited and Rush Shipping

Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.

To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.

Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.

💬 Recently Purchased by Your Peers

Description

Overview

Key Features

Precision machined aluminum fins for maximum airflow efficiency
Integrated M4 mounting bracket compatible with standard IBM server chassis
Low profile design that fits tight spaces without sacrificing cooling power
Thermal interface ready surface for easy application of thermal paste or pads
Robust construction that resists warping under continuous high temperature operation

Technical Specifications

Manufacturer: IBM
Model / Part Number: 81Y7943
Material: Aluminum alloy
Fin density: High (optimised for rapid heat transfer)
Mounting interface: M4 screw pattern
Operating temperature range: -40 to 85 degrees Celsius
Dimensions (L x W x H): 120 mm x 80 mm x 35 mm
Weight: Approx. 350 grams

Applications

This heatsink is ideal for use in IBM System x3100 servers, blade servers, and other enterprise hardware that relies on the M4 mounting standard. It is also suitable for custom builds where space constraints demand a compact yet powerful cooling solution. Typical applications include:

Data centre rack servers
High density virtualization platforms
Compute clusters requiring reliable thermal management
Upgrade projects aimed at improving existing server cooling performance

By choosing the IBM Heatsink x3100 M4, you invest in a proven component that delivers consistent heat removal, reduces the risk of thermal throttling, and supports uninterrupted operation in mission critical environments.