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Dell Blade Modules

Dell PowerEdge blade modules are individual compute sleds designed to slot into a compatible Dell blade enclosure. Each module provides independent processing power, memory and storage in its enclosure. This makes them an efficient and cost-effective way to scale compute capacity.

At ITinStock, we stock a range of high-quality refurbished Dell blade modules, including the Dell PowerEdge M620, Dell PowerEdge M630 and Dell PowerEdge M640. Whether you’re expanding an existing Dell blade infrastructure or building a new modular setup, our expert team can help you find the right module for your requirements.
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Why Choose Dell Blade Modules?

Dell’s PowerEdge M-Series blade modules are built around a modular architecture that prioritises density and simplicity. As half-height compute sleds, models such as the M620, M630 and M640 can be installed up to 16 per M1000e enclosure, maximising the compute capacity available in a standard 10U rack space. This is beneficial for data centres or server rooms with limited floor space.

Each blade module connects to the chassis backplane, meaning power, cooling and networking are handled centrally rather than on a per-server basis. This shared infrastructure reduces cabling mess and lowers overall energy consumption. It also simplifies maintenance, as modules can be hot-swapped from the front of the enclosure without disrupting other blades in the system.

Opting for a refurbished Dell blade module means accessing the same enterprise-grade performance at a significantly lower cost than buying new. All units we supply are rigorously tested and ready to slot straight into a compatible enclosure.

Why Choose Refurbished Dell Blade Modules from ITinStock?

At ITinStock, we are happy to discuss any bespoke configurations for your Dell blade modules, including memory upgrades, additional storage drives and mezzanine card options. Each module then undergoes rigorous testing by our certified technicians to ensure it functions optimally before leaving us. We offer fast delivery to the UK and worldwide for all in-stock items, and our expert support team are on hand to assist with both pre-sale configuration advice and post-sale technical support.

Complete Your Dell Blade Setup

Pair your Dell blade modules with these essential components:

  • Dell Blade Enclosures House your Dell blade modules in a compatible Dell PowerEdge M1000e or VRTX chassis, which provides shared power, cooling and networking for all installed blades.
  • Dell Blade Servers For workloads demanding greater compute power or four-socket configurations, explore our range of full-height Dell PowerEdge blade servers such as the M820 and M830.
  • Networking Equipment Complete your blade chassis with Dell M-Series I/O modules, including Ethernet and Fibre Channel switches, to connect your blade infrastructure to your wider network.

Frequently Asked Questions

What is a Dell blade module and how does it differ from a blade server?
A Dell blade module (also referred to as a blade server or compute sled) is an individual server unit that slots into a compatible blade enclosure. The term 'blade module' is often used specifically for half-height compute sleds such as the PowerEdge M620, M630 and M640, which can be installed up to 16 per M1000e chassis. Full-height blades such as the M820 and M830 occupy two slots and are sometimes referred to separately as 'blade servers' due to their larger four-socket form factor. In everyday usage, the terms are frequently interchangeable, but at ITinStock, our Dell blade modules category focuses on the half-height M-Series sleds designed for high-density deployments.

Which Dell blade enclosures are compatible with the M620, M630 and M640?
The Dell PowerEdge M620, M630 and M640 blade modules are all designed for use in the Dell PowerEdge M1000e blade enclosure, which supports up to 16 half-height or 8 full-height blades in a 10U chassis. The M630 and M640 are also compatible with the Dell PowerEdge VRTX converged infrastructure chassis, which supports up to four compute nodes and adds integrated shared storage and PCIe expansion. It is important to verify chassis compatibility before purchasing, as blade modules are not universally interchangeable across different chassis generations. If you are unsure which module is compatible with your existing enclosure, our team can confirm compatibility before you order.

What is the difference between the Dell PowerEdge M620, M630 and M640?
All three are half-height blade modules designed for the M1000e enclosure, but they represent successive generations of Dell’s blade platform. The M620 (12th generation) supports dual Intel Xeon E5-2600/v2 processors and up to 768 GB of DDR3 memory, making it well-suited for email, database and virtualisation workloads. The M630 (13th generation) upgrades to the Xeon E5-2600 v3/v4 family with DDR4 memory support and up to 1.5 TB RAM, offering improved memory bandwidth and more storage options including NVMe. The M640 (14th generation) supports Intel Xeon Scalable processors with up to 28 cores per CPU, up to 2 TB DDR4 memory, and full NVMe drive support, making it the most capable of the three for cloud computing, HPC and modern virtualised environments. Newer generations also feature enhanced iDRAC9 remote management and improved security features including silicon root of trust.

Can I mix different Dell blade module models in the same M1000e enclosure?
Yes, the Dell PowerEdge M1000e enclosure supports mixed blade configurations, meaning you can install multiple different M-Series blade modules within the same chassis. This allows businesses to run varying workloads on different hardware tiers simultaneously, or to gradually upgrade blade modules without replacing the entire enclosure. However, there are some considerations: each blade module must be individually compatible with the M1000e, and power budgeting should be reviewed when mixing higher-wattage blades with standard configurations to ensure the chassis power supplies can support the combined load. Dell’s Chassis Management Controller provides power monitoring and slot-based prioritisation to assist with this. Our team can advise on mixed configurations ahead of purchase.

How is a refurbished Dell blade module tested before sale?
At ITinStock, every refurbished Dell blade module undergoes a thorough inspection and testing process carried out by our certified technicians. This includes POST (Power-On Self Test) verification, CPU and memory stress testing, storage drive health checks and iDRAC functionality testing. Any faulty components are replaced before the module is cleared for sale. We also inspect the physical condition, clean the unit and confirm all connectors and backplane interfaces are in working order. Once testing is complete, the module is configured to your specification if required, packaged securely and dispatched with our standard 3-year warranty. This process ensures you receive a reliable, enterprise-grade blade module ready for immediate deployment.

Find Your Dell Blade Module Today

Browse our complete range of refurbished Dell PowerEdge blade modules above, or contact our team for expert advice on selecting the right compute sled for your existing enclosure and workload requirements.

Phone: +44 (0)20 4631 3555
Email: hello@itinstock.com

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