Best Refurbished Hard Drives
Refurbished and used hard drives offer some of the lowest prices per terabyte available. Most are datacenter pulls — enterprise drives retired from service well within their rated lifespan. Many sellers test drives before resale and include seller warranties, making them a practical choice for homelabs, backup arrays, and bulk storage where brand-new retail drives are not required.
Buying refurbished — what to know
Look for sellers that include SMART data or a seller warranty. Enterprise drives like Exos and Ultrastar are designed for 2+ million hours MTBF, so a drive with 20,000–40,000 hours of use still has substantial life left. Avoid drives with reallocated sectors or no return policy.
Quick Verdict
- Who this is for
- Budget-conscious buyers willing to trade manufacturer warranty coverage for significantly lower prices — homelab builders, Plex hoarders, bulk backup users, and cold-storage archivists.
- What usually wins
- A refurbished enterprise pull (Exos or Ultrastar) at 8 TB or above from a seller that includes a return policy or seller warranty. Prioritise drives with low power-on hours and no reallocated sectors.
- Prioritise
- Seller reputation and return policy first. Then lowest price per TB at your target capacity. Enterprise datacenter pulls offer the best combination of remaining lifespan and value.
Prices updated hourly from Amazon US and UK. All links go directly to the retailer. Details.
Best Value Refurbished HDDs
The cheapest used and recertified hard drives available right now, ranked by cost per terabyte.
Seagate ST4000NM0125 4TB SAS 6Gb s ES 7200RPM 128MB 3.5 512e Bare
Seagate Enterprise Capacity 3.5 HDD (Constellation ES) 4TB 7200RPM 6Gbps SAS 128 MB Cache Internal Bare Drive ST4000NM0023 (Renewed)
HGST Ultrastar He 3.5-inch 6000GB 64MB Cache 7200RPM SAS Ultra 512n Helium Platform Enterprise HDD HUS726060ALS640
WD 2TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBU6Y0020BBK-WESN
Seagate 6TB 3.5 Desktop Hard Drive Model ST6000NM0105
Dell 6P85J 4TB 7200RPM SAS-6GBITS 128MB Buffer 3.5INCH Form Factor SELF ENCRYPTED Hard Disk Drive WI (Renewed)
MDD MAXDIGITALDATA MDD 10TB 7200RPM 256MB Cache SAS 12.0Gb/s 3.5-inch Internal Enterprise Hard Drive (MDD10TSAS25672E) - [NOT a SATA HDD] (Renewed)
Dell 529FG 4TB 7.2K 3.5 SAS 6GBPS Hard Drive (Renewed)
Refurbished Enterprise Drives
Recertified Seagate Exos, WD Ultrastar, and other datacenter-grade drives. Built for 24/7 workloads with higher endurance than consumer models.
Why this matters: Enterprise drives are over-engineered for datacenter duty — higher MTBF, vibration tolerance, and sustained throughput. A refurbished enterprise drive often outlasts a new consumer drive at a lower price per TB.
Seagate EXOS X22 22TB Interne Server Festplatte ST22000NM000C 3,5 Zoll HDD SATA 6Gb/s 7200RPM SED 512E 512MB Cache (Renewed)
HGST, a Western Digital Company Ultrastar 7K6000 6000GB 7200RPM SAS 512E Ultra SE 128MB Cache 3.5-Inch Internal Bare or OEM Drives 0F22811
Seagate EXOS X24 24TB Interne Festplatte 3.5 Zoll SATA 3 Gbit/s 512 MB, ST24000NM000C (Renewed)
Western Digital Ultrastar DC HC530 WUH721414ALN604 0F31102 14TB 7.2K RPM SATA 6Gb/s 4Kn Power Disable HDD (Renewed)
ST14000NM0048 Seagate 14TB SAS 12 Gb/s (Not SATA) Exos X14 (New with Warranty) 3.5 Inch 7200 RPM 256MB Cache 512e 4Kn Enterprise Hard Drive HDD
Seagate Exos X18 Enterprise Class, 18TB, Enterprise Internal Hard Drive, SATA, 3,5" 6Gbit/s, 128MB cache ((ST18000NM000J)
Seagate Exos 7E8 8TB 7200 RPM Nearline SAS 3.5-Inch Enterprise Hard Drive (ST8000NM0075) (Renewed)
Seagate Exos X18 18TB SAS 12Gb/s 7200RPM 3.5" Enterprise Hard Drive - ST18000NM005J (Renewed)
High-Capacity Refurbished (8 TB+)
Large used drives for NAS builders and archival storage. Fewer drives means fewer bays, less power, and simpler setups.
MDD MAXDIGITALDATA MDD 10TB 7200RPM 256MB Cache SAS 12.0Gb/s 3.5-inch Internal Enterprise Hard Drive (MDD10TSAS25672E) - [NOT a SATA HDD] (Renewed)
ModusTech External (DESKTOP) Hard Drive 3TB USB 3.0 & Type-C 3.0 - High-Speed Data Storage for PC, Mac, Laptops, and Gaming Consoles - Durable Design, Compatible with Windows, MacOS, Linux (16.0, TB)
MDD (MD14TSAS25672E-2X14) 14TB 7200RPM 256MB Cache 4KN SAS 12Gb/s 3.5-inch (Dual Actuator) Enterprise Hard Drive (Renewed)
MDD MAXDIGITALDATA MDD 14TB 7200RPM 256MB Cache SAS 12.0Gb/s 3.5inch Internal Enterprise Hard Drive (MDD14TSAS25672E) - [NOT a SATA HDD] (Renewed)
WD 20TB Elements External Hard Drive, Desktop HDD storage, USB 3.0 compatible, Fast Transfer rates, Plug-and-play storage for all your pictures, videos, music and documents, Black
MDD MAXDIGITALDATA X18 MACH.2 (Dual Actuator) 18TB 7200RPM SAS 12Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (MDD18TSAS51272E-2X18) - [Not a SATA HDD] (Renewed)
ModusTech 12TB External (DESKTOP) Hard Drive USB 3.1 Type-C - High-Speed Data Storage for PC, Mac, Laptops, and Gaming Consoles - Durable Design, Compatible with Windows, MacOS, Linux (TB)
WD 18TB Elements Desktop External Hard Drive - USB 3.0, Black
Refurbished NAS Drives
Used IronWolf, WD Red, and other NAS-rated drives. NAS drives include firmware optimizations for multi-bay enclosures and RAID arrays.
WD 4TB My Passport portable external storage, external hard drive, USB 3.0, portable HDD with software for device management, backup and password protection, works with PC, Xbox &Playstation, Red
Seagate IronWolf Pro 28TB NAS Internal Hard Drive 3.5" 7200RPM CMR 512MB Cache SATA 6GB/S Includes Rescue Service (ST28000NTZ00)
Seagate IronWolf Pro 20TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Rescue Services - Frustration Free Packaging (ST20000NTZ01)
WD Red 10TB 3.5" SATA 6Gb/s 10TB 5400rpm HDD
Seagate IronWolf 6TB, Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 5400 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST6000VNZ06)
WD 8 TB NAS Hard Drive - Red
Seagate IronWolf 14TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST14000VN0008)
Seagate IronWolf 14TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST14000VN0008)
How to Choose
Refurbished drives can deliver outstanding value, but not all used drives are equal. Here is how to buy smart.
Seller quality
Buy from sellers that test drives before resale and offer a return window or seller warranty. Reputable refurbishers often include SMART reports showing power-on hours and sector health. Avoid listings with no return policy.
SMART health
Check for reallocated sector count, current pending sectors, and power-on hours. A drive with under 40,000 hours and zero reallocated sectors is a solid candidate. Avoid drives where the seller does not disclose SMART data.
Enterprise vs consumer pulls
Enterprise datacenter drives (Exos, Ultrastar) are designed for 2M+ hour MTBF and sustained 24/7 workloads. A retired enterprise drive with moderate hours typically has more useful life remaining than a consumer drive at the same age.
Risk and reward
Refurbished drives can cost 40–60% less than new retail. The trade-off is a shorter warranty and unknown usage history. Mitigate risk by buying from sellers with good return policies and by keeping backups of any data stored on refurbished drives.
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Best Enterprise Hard Drives
Compare enterprise HDD prices for Seagate Exos and WD Ultrastar. Datacenter-grade drives sorted by price per TB for servers and storage arrays.
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Compare NAS hard drive prices from Seagate IronWolf and WD Red. CMR drives ranked by price per TB for Synology, QNAP, TrueNAS, and Unraid builds.