Case Power Supply Deals & Case Power Supplies for Sale

A direct replacement for DVR and NVR systems that use the DPS-200PB-205A form factor, so it's primarily useful if your security recorder's power supply has failed and you need a like-for-like swap rather than a full unit replacement. Buy Now at Newegg

Designed for enterprise-level HP and Hitachi storage arrays, this replacement power supply is a fairly niche component that only matters if you're maintaining aging XP20000 or XP24000 infrastructure and need a spare or failed unit replaced. Buy Now at Newegg

Designed for Sun/Oracle server systems, this is the kind of component you'd need when replacing a failed PSU in a 490W-rated rack unit rather than building from scratch. Buy Now at Newegg

Newegg has the RH5885H V3 EPW2000-12A Power Supply listed for those running or building out server infrastructure — this is a 2000W enterprise-grade unit designed for high-density rack servers, not a consumer desktop PSU. Buy Now at Newegg

Useful if your desktop PC or workstation is showing signs of an underpowered or failing PSU, or if you're building a mid-range system and need a reliable wattage buffer for your components. Buy Now at Newegg

A straightforward upgrade path for anyone running an HP Z420 workstation who needs to replace a failing PSU or add headroom for more demanding components, since this is a direct OEM fit rather than a generic alternative. Buy Now at Newegg

Buying moving head lights in bulk usually means sourcing power supplies separately, and this 10-pack covers both 12V and 24V compatibility, which saves you from needing two different units on hand for mixed setups. Buy Now at Newegg

Upgrading or replacing the power supply in an HP XW8200 workstation is tricky since these older towers require a specific form factor, and this 600W unit is built to fit that chassis without modification. Buy Now at Newegg

A solid option if your PC build or repair needs a reliable 400W unit on a budget, as 80 Plus Bronze certification means it meets a baseline efficiency standard that keeps heat and energy waste reasonably low. Buy Now at Newegg

A straightforward swap for anyone whose HP desktop has died due to a failed power supply, since this is a direct replacement unit built to fit HP's ATX form factor without any modification. Buy Now at Newegg

A high-wattage PSU like this is aimed at crypto miners running multiple GPUs in a single rig, where a standard consumer power supply would fall short on available power. At 1,800W, it can handle the sustained draw that multi-card mining setups typically demand. Buy Now at Newegg

Designed specifically for the Raspberry Pi 5, this module handles USB-C Power Delivery input so you're not hunting for a compatible adapter separately — useful if you're setting up a Pi 5 and want a cleaner, purpose-built power solution. Buy Now at Newegg

A high-wattage PSU like this is aimed at crypto miners running multiple GPUs in a single rig, where a standard consumer power supply would fall short on available power. At 1,800W, it can handle the sustained draw that multi-card mining setups typically demand. Buy Now at Newegg

A straightforward option if your HP Pro desktop needs a replacement power supply, since OEM units tend to be more reliable than third-party alternatives and are built to spec for the system they came from. Buy Now at Newegg

A compact 1U flex form factor makes this suited for small form factor builds, home lab servers, or mini-ITX cases where a standard ATX unit physically won't fit. Buy Now at Newegg

Redundant power supplies are a data center or server rack necessity, giving you a backup power unit that kicks in automatically if the primary fails, so there's no downtime if one unit goes out. Buy Now at Newegg

A straightforward pick for anyone building or upgrading a mid-range PC who needs a reliable 500W unit from a well-known brand without paying a premium for a modular design. Buy Now at Newegg

A solid option if your server or workstation build needs a reliable 400W replacement or spare power supply, particularly for rack-mounted setups where a 1U form factor is required. Buy Now at Newegg

A compact 1U Flex ATX form factor makes this a practical pick for small form factor builds, HTPCs, or mini-ITX cases where a standard ATX unit simply won't fit. Buy Now at Newegg