Enterasource Blog

Dell PowerEdge R750 2U rack server front view with 24 2.5-inch drive bays

Dell PowerEdge R750 Buying Guide: Specs, Variants, and the End-of-Life Question

By Enterasource
August 19, 2026
Dell publishes no end-of-life date for the PowerEdge R750, and the 30 November 2029 date circulating for it is Dell's date for the PowerFlex Appliance R750, not for the general-purpose server. This guide covers what that means for a used R750, how the R750, R750xs and R750xa actually differ, and the memory, processor and riser rules to check before you buy.
Dell PowerEdge R740 2U rack server front view

Dell PowerEdge R740 Buying Guide: End of Life, Specs and Configuration

By Enterasource
August 10, 2026
Dell has never published an end-of-life or end-of-support-life date for the PowerEdge R740, and has said so on the record more than once. This guide covers what that actually means for a used R740, which processors and memory are worth paying for, and what to check before you buy.
Dell PowerSwitch SN5610 800GbE Ethernet switch front view

InfiniBand vs Ethernet: How to Choose an AI Fabric Switch

By Enterasource
August 10, 2026
InfiniBand or Ethernet for an AI cluster, decided on the things that actually decide it: cluster size, workload, and whether anyone on your team has run a lossless fabric. Includes the managed-versus-unmanaged switch decision that stops a fabric coming up, and what to check before buying used.
Dell PowerEdge R760 2U rack server front view

Dell PowerEdge R760 Buying Guide: Specs, Variants, and Refurbished vs New

By Enterasource
August 8, 2026
Dell still sells the PowerEdge R760 new, and sells its successor new alongside it. This guide covers what actually separates the R760, R760xs and R760xa, the memory rule that decides what you should buy, and what to check before you buy a used one.
Dell PowerEdge R640 1U rack server front view with the lockable DELL EMC front bezel fitted

Dell PowerEdge R640 Buying Guide: Specs, Configuration, and the Truth About EOL

By Enterasource
August 7, 2026
Dell has never published an end-of-life date for the PowerEdge R640 — or for any PowerEdge server. Here is what actually governs an R640's lifecycle, how to find the only date that applies to your machine, how to configure one, and what to check before you buy a used one.
Proxmox VE 9.2 arm64 hardware support tiers — NVIDIA Grace and Vera fully supported; other UEFI-based ARMv9-A and ARMv8-A best-effort, where Ampere Altra lands; device-tree-only single-board computers including Raspberry Pi not supported

Proxmox VE Now Officially Supports Arm64 — What It Means for Your Next Server

By Enterasource
August 5, 2026
Proxmox VE 9.2 now ships an official Arm64 build, reversing a position Proxmox held as recently as 2024. Here is what actually shipped, the six limitations the announcement left out, and why almost every Proxmox buyer should still be buying x86.
Blue-lit data center with server racks and an AI processor graphic

How to Choose a GPU Server for AI and Machine Learning

By Enterasource
July 30, 2026
How do you choose a GPU server for AI and machine learning? Work five decisions in order — workload, VRAM, single- vs multi-GPU, interconnect, and platform class — then map the result to a real NVIDIA GPU and a server you can buy, from a single low-profile L4 to a dense 8x H100 system. Plus the rent-vs-buy-vs-refurbished decision most vendor guides skip.
Dell EMC PowerEdge rack server with network switch and cabling

Dell PowerEdge GPU Servers for AI & Machine Learning: Which Model, Which GPU

By Enterasource
July 29, 2026
Which Dell PowerEdge servers support GPUs, which NVIDIA GPU fits each workload, and how to size a refurbished Dell GPU server — with the full PowerEdge x GPU compatibility matrix.
Dell EMC PowerEdge servers mounted in a data-center rack, front view

Dell PowerEdge R750 Power Consumption: Idle, Typical, and Peak Draw With PSU Sizing

By Enterasource
July 28, 2026
How many watts does a Dell PowerEdge R750 actually draw, and which PSU should you order? Estimated idle/typical/peak by configuration, the full factory PSU option matrix, the 120 V low-line derating that bites North American racks, FR/FTR redundancy and Hot Spare, BTU output for cooling, and a plain sizing framework.
Dell PowerEdge R740 refurbished rack server for a Proxmox VE host.

Proxmox Hardware Requirements: Choosing the Right Server

By Enterasource
July 20, 2026
Proxmox VE runs on almost anything, but a stable production host needs the right CPU, ECC RAM, storage controller, and network. Here is exactly what to look for — from minimum specs to a Ceph cluster — and which refurbished Dell PowerEdge servers fit each tier.
Dell PowerEdge R740xd drive bays and backplane inside an open server chassis

Dell PowerEdge R740 & R740xd Backplane and Storage Configuration Guide

By Enterasource
July 19, 2026
The R740 and R740xd use different backplanes for SAS, SATA, and NVMe drives — and picking the wrong one is why a drive won't initialize. Here's every configuration, the Dell part numbers, and the controller that pairs with each.
Enterprise server storage rack populated with 2.5-inch SSD drive bays in a data center.

SSD Endurance Explained: DWPD vs TBW and How Much You Actually Need

By Enterasource
July 19, 2026
DWPD and TBW both measure how much you can write to an SSD before it wears out. Here's how the two ratings relate, how to convert between them, and how to match read-intensive, mixed-use, and write-intensive drives to real server workloads.
Dell PowerEdge R760 2U rack server

Dell PowerEdge R760 PSU Specifications: Complete Wattage, BTU, and Voltage Reference

By Enterasource
July 15, 2026
Every R760 PSU option in one matrix — 700W to 2800W, BTU/hr for CRAC sizing, voltage derating you need before low-line deployment, plus where the 3200W Titanium actually lives.
Dell PowerEdge R740 2U rack server

Dell PowerEdge R740 Power Consumption: Idle, Typical, and Peak Draw With PSU Sizing

By Enterasource
July 15, 2026
How many watts does a Dell PowerEdge R740 actually draw, and which PSU should you order? Estimated idle/typical/peak by configuration, the full PSU option matrix, the 120 V low-line derating that bites field deployments, BTU output for cooling, and a plain sizing framework.
Header graphic for blog on IT sustainability in the AI era, showing servers, recycling symbol, and green technology theme representing Enterasource’s focus on repurposing, recycling, and secure data destruction.

IT Sustainability in the AI Era: The Hidden Cost of Hardware Refresh Cycles

By Enterasource
September 2, 2025

The AI infrastructure boom is creating the largest hardware refresh cycle the enterprise IT industry has ever seen. AI hardware refreshes are accelerating e-waste growth. Learn how lifecycle extension, refurbished IT, and responsible ITAD reduce environmental and financial costs.

Blade Servers vs Rack Servers

Comparing Blade Servers vs. Rack Servers: Which is Right for You?

By Enterasource
July 8, 2024
In this comprehensive guide, we compare blade servers and rack servers, highlighting their technical differences, benefits, and ideal use cases. This article helps IT professionals determine the best server type for their specific business needs and infrastructure.
Understanding the Differences Between Read Intensive, Write Intensive, and Mixed Use SSDs: A Comprehensive Guide

Understanding the Differences Between Read Intensive, Write Intensive, and Mixed Use SSDs: A Comprehensive Guide

By Enterasource
April 12, 2023

This comprehensive guide explains the differences between Read Intensive, Write Intensive, and Mixed Use Solid State Drives (SSDs). SSDs are a type of data storage device that use NAND-based flash memory to store and retrieve data. Each type of SSD has a unique combination of read and write performance, endurance, and cost, making them suitable for different workloads and use cases. The guide covers important factors to consider when selecting an SSD, such as workload type, capacity requirements, and budget, and provides insights into the pros and cons of each SSD type. By the end of the guide, readers will have a better understanding of which type of SSD is the most suitable for their specific needs.

ECC vs Non-ECC Memory

ECC vs Non-ECC Memory: The Critical Differences for Financial, Medical, and Business Data

By Enterasource
January 5, 2023

Explore the differences between ECC and non-ECC memory, why ECC memory is critical for financial, medical, and business data, and compliance with regulatory standards.

Choosing between a new & refurbished server

New vs Refurbished Servers: Which One Should You Choose?

By Enterasource
December 2, 2022

Struggling to decide between new and refurbished servers? This article compares the cost, quality, warranty, performance, support, and reliability of both options, showing why refurbished servers can be a wise and sustainable investment for your business.

Dell EqualLogic SAN Array

Understanding RAID Storage: The Definitive Guide

By Enterasource
May 7, 2021

Are you struggling to understand RAID storage and its various levels? Whether you're new to the world of data management or a seasoned pro, RAID storage can be a bit overwhelming. But fear not! In this comprehensive guide, we'll break down everything you need to know about RAID storage, including its benefits, drawbacks, and different RAID levels. By the end of this guide, you'll have a clear understanding of how RAID storage works and how it can help you manage your data more effectively. So, let's get started!

SAN Array

Introduction: Understanding SAN, NAS, and DAS

By Enterasource
January 18, 2018

Learn about SAN, NAS, and DAS storage solutions and their advantages and disadvantages. Discover which one suits your business needs based on factors like scalability, data access speed, and budget.

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