Case Power Supply Deals & Case Power Supplies for Sale

A straightforward upgrade or replacement option for anyone running a Dell Precision T3500 workstation who needs a reliable 525W power supply sourced from a known electronics retailer. Buy Now at Newegg

A straightforward pick for anyone building a budget PC or replacing a failed unit in a small form-factor or low-power system where 250W is enough to cover the load. Buy Now at Newegg

A straightforward option for anyone running HP ProLiant DL360 or DL380 servers who needs a replacement or redundant power supply without sourcing through enterprise channels. Buy Now at Newegg

A compact DC-to-ATX converter that takes a 12V input and outputs a standard 24-pin ATX connection, making it a practical fit for small form factor or embedded PC builds where a traditional PSU won't physically fit. Buy Now at Newegg

A compact form-factor PSU designed for slim desktop and small form-factor builds where a standard ATX unit won't physically fit — if your case requires Flex ATX, this is the spec you need to match. Buy Now at Newegg

A straightforward pick for network admins running Juniper EX-series switches who need a replacement or redundant power supply unit. The 930W output covers most mid-range EX switch configurations, and sourcing it through Newegg can be worth checking if your usual networking distributor is quoting higher. Buy Now at Newegg

A dedicated option for anyone running a multi-GPU mining rig or high-draw workstation that needs more headroom than a standard ATX unit can provide, with 2000W of output covering setups that would overwhelm a typical consumer power supply. Buy Now at Newegg

A direct replacement for Lenovo ThinkCentre desktops like the M70E, M71E, M72E, M81, M91, and M90P, this power supply suits anyone whose unit has a failing or dead PSU and wants to avoid the cost of a full system replacement. Buy Now at Newegg

The Hydro Ti PRO carries an 80 Plus Titanium rating, which is the highest efficiency tier available and means less wasted energy as heat compared to Gold or Platinum units, relevant if your PC runs under heavy load for long periods. At $245, it's $15 off the $260 list price. Buy Now at Newegg

A solid pick if your setup requires a dedicated industrial-grade ATX power supply, particularly for automation systems, CNC machines, or other control hardware that needs stable, regulated power output. Buy Now at Newegg

Redundant power supplies use two units in tandem so that if one fails, the other takes over without any downtime, which makes this a practical pick for servers, NAS builds, or any system where unexpected shutdowns would cause real problems. Buy Now at Newegg

Replacement power supplies for Sun T5220 and T5440 servers are genuinely hard to source, making this a useful find if you're maintaining aging Sun/Oracle hardware in a lab or data center environment. Newegg has this listed, which is worth noting since enterprise server parts at this vintage don't show up through many channels. Buy Now at Newegg

A straightforward pick for network administrators or IT teams running Juniper equipment who need a spare or replacement PSU, particularly if your setup requires AC input with airflow intake (AFI) orientation. Buy Now at Newegg

A straightforward upgrade option for older or compact desktop builds where the original PSU has failed and a direct replacement is needed without modifying the case. Buy Now at Newegg

Replacement power supplies for specific server or workstation models can be frustratingly hard to source, so if you're maintaining older hardware that uses the D10-320P2A, D3201A0, PS-4321-9HA, or CFH0320AWWA units, this gives you a direct compatibility match without guessing. Buy Now at Newegg

A straightforward replacement option for anyone building or repairing a desktop PC who needs a reliable mid-range power supply without spending on features they don't need. Buy Now at Newegg

A high-wattage replacement or redundant power supply for IBM Power P740 servers, so it's relevant if you're maintaining or expanding that specific enterprise hardware in your data center. Buy Now at Newegg

A compact form factor power supply designed for small form factor (SFF) and slim desktop builds where a standard ATX unit physically won't fit, making it a straightforward solution if you're upgrading or replacing a PSU in a boutique or low-profile case. Buy Now at Newegg

Designed for crypto mining rigs that need a high-wattage, rack-mountable power solution, this 2,500W unit runs on 12V and fits a standard 2U server form factor, which keeps your build organized if you're running multiple GPUs. Buy Now at Newegg