Live enterprise HDD price intelligence
Track current WD Ultrastar prices in 2026 while keeping capacity, SATA/SAS interface, condition and exact model evidence visible. Live cards show the seller, current price and price per terabyte so enterprise and homelab buyers can compare genuinely compatible drives.
Live buying layer
Current WD Ultrastar listings
Filter comparable offers before judging the lowest headline price.
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
Unknown · 7,200 RPM · 64MB cache · 5-year listed warranty
Live data last assembled 2026-10-15 05:28 UTC. Price and availability can change after the last catalogue sync.
Capacity view
Current price by capacity
Use price per terabyte to compare capacities without letting a smaller drive win simply because its total price is lower.
Recorded by Cloudzat
Observed 2026 price-per-TB history
The chart uses real normalized daily snapshots. It does not invent a historical low before tracking began.
Loading recorded history…
Interactive decision support
WD Ultrastar 2026 buying planner
Choose the configuration you actually need. The planner searches the current matching listings already on this page and reports the cheapest matching offer plus the strongest current price-per-TB match.
Select your requirements and run the planner.
What this WD Ultrastar 2026 price page measures
Ultrastar is a broad data-center hard-drive family rather than one interchangeable product. Marketplace inventory can span multiple HC generations, capacities, SATA and SAS interfaces, sector formats, security variants and conditions. A single family-wide lowest price can therefore be dangerously misleading if the cheapest drive cannot connect to the buyer’s system.
This page begins with the live listings instead of hiding them below an article. Filter to the capacity, condition and interface you actually need, then compare total price and price per terabyte. The goal is not to declare one Ultrastar model universally cheapest; it is to make the trade-offs behind each current listing visible before a buyer commits to an array.
Capacity changes both the drive price and the array economics
An enterprise HDD purchase is often multiplied across several bays, so a small difference per drive can become a large difference at array level. Higher-capacity Ultrastar models can reduce the number of bays needed for a target usable capacity, while lower-capacity drives can lower the cost of an individual replacement and may fit an existing expansion plan more naturally.
Use price per terabyte to normalize the live capacities, then multiply the chosen drive price by the number of disks your topology requires. Cheapest $/TB and cheapest completed array are not always the same result because chassis bay count, parity overhead, spare strategy and controller ports also matter. The capacity snapshot is designed to expose that first layer of the calculation.
SATA and SAS prices must remain separate
A SAS Ultrastar can be a strong value in a server with a compatible HBA and backplane, yet it is not a bargain for a SATA-only motherboard or consumer NAS. SATA and SAS share similar physical drive shapes but use different electrical and controller requirements. The live interface filter exists to stop an incompatible SAS listing from winning a price comparison for a SATA buyer.
Do not assume a cheap enterprise server pull is SATA because the listing says “hard drive.” Confirm the exact model and interface on the selected variation. If the page reports Unverified, treat that as a reason to investigate rather than as permission to guess. A slightly higher clearly identified SATA listing can be much cheaper than buying the wrong drive and returning it.
New, manufacturer recertified, refurbished and system-pull are different markets
Ultrastar inventory is heavily represented in secondary channels. New drives, manufacturer-recertified units, seller-refurbished stock, used drives and system pulls can have very different prices because the source, testing, age and warranty path differ. Combining them into one average would make the new-retail market look artificially cheap.
Use the condition filter before comparing sellers. Recertified or used enterprise drives can make sense when the savings are large enough to fund a spare and when the workload has independent backup. For a small business that values a long, clearly documented warranty path, new stock may justify a higher price. Price alone cannot erase the operational cost of an uncertain replacement process.
HC generations are not interchangeable model names
Ultrastar DC HC-series labels identify generations and product families with different capacity ranges and model strings. A listing may say HC550, HC560, HC570 or HC580 while the actual compatibility decision depends on the full model number, interface and sector format. Older generations can still be entirely useful, especially in homelabs, but they should not be priced as if every HC drive were the same current SKU.
The live cards therefore expose the stored exact model number when available. Use that model to locate the correct manufacturer documentation before checkout. If a seller only provides a generic “Ultrastar” title, consider the ambiguity part of the deal risk. A lower price is not a saving when the delivered interface or sector format is wrong for the controller.
Sector format can turn a cheap drive into an incompatible drive
Enterprise Ultrastar models can exist in 512e and 4Kn variants, and some platforms have additional firmware or operating-system constraints. A SAS controller that recognizes the drive electrically does not automatically guarantee that every application, hypervisor or appliance supports the chosen logical sector presentation. The exact model suffix can carry information that a generic marketplace title omits.
Cloudzat shows normalized sector evidence when the source catalogue has it and displays “Verify exact model” when it does not. Treat that uncertainty seriously for arrays, boot environments and older hardware. The right price comparison happens only after the model, interface and sector format meet the system requirements.
Price per TB is useful, but array risk still matters
A high-capacity drive with an excellent price per terabyte can reduce bay count and improve density. It also concentrates more data on one spindle and can increase the amount of data reconstructed during a replacement. That does not make large drives a bad choice; it means the cheapest normalized price is only one input in the storage design.
For ZFS, RAID or backup repositories, evaluate current drive price alongside redundancy, backup windows, rebuild behavior, spare availability and the workload’s tolerance for downtime. Buying one extra matching spare can change which offer is economically strongest. The live page helps with acquisition cost; the storage architecture still determines the real risk profile.
Warranty source deserves a place beside price
A marketplace listing can describe a warranty very differently from the manufacturer’s standard new-product coverage. Recertified programmes, OEM or bulk channels, system pulls and seller-refurbished units may depend on the seller rather than the drive manufacturer. The normalized catalogue stores warranty source and duration only when evidence is available.
Do not infer warranty eligibility from the Ultrastar logo alone. After receiving the drive, record the serial number and verify the applicable warranty path promptly. For a multi-drive purchase, a slightly higher offer with a clear manufacturer or seller replacement process can have better operational value than the absolute lowest price.
Power, noise and cooling belong in a 2026 purchase decision
Ultrastar drives are designed for data-center duty and can be louder and more demanding of airflow than consumer desktop drives. A single drive on a test bench may appear manageable, but several enterprise disks in a compact tower can change the acoustic and thermal environment substantially. The right price therefore depends partly on where the array will live.
Check model-specific idle and operating power, then multiply by the planned drive count. Make sure the chassis can move air across every bay and that the power supply can handle spin-up behavior. A low purchase price can lose its advantage if the build requires a new chassis, additional cooling or a higher-capacity power supply.
How to read real 2026 Ultrastar price history
Secondary-market enterprise HDD prices can move when batches of recertified or system-pull drives appear. A family-level history line is useful for direction, but it should not be interpreted as a promise that every HC generation moved by the same amount. Capacity and interface mix can change the observed median.
The chart on this page uses only genuine Cloudzat snapshots and can switch to a selected capacity when enough observations exist. That helps separate a real capacity-specific move from a change caused by different inventory entering the family. If the history is short, the page says so instead of fabricating older observations.
A practical WD Ultrastar checkout checklist for 2026
Confirm exact model number, capacity, SATA or SAS interface, sector format, condition, seller and warranty source. For recertified or used inventory, inspect the return window and decide whether the savings justify keeping a spare. For system pulls, expect provenance and cosmetic condition to differ from sealed new retail stock.
After delivery, verify the label against the order, check SMART data and power-on hours where applicable, run an extended diagnostic before placing the drive into production, and confirm that the controller reports the expected sector format. Enterprise drives can be excellent value, but only when the hardware received is the hardware the storage design was built around.
Methodology and official references
These pages read the existing Cloudzat Storage Price Intelligence catalogue in read-only mode. Listings are shown only when the normalized catalogue has verified the product family and stored a current price. Cloudzat does not fabricate missing prices or backfill historical observations. Marketplace price and availability at checkout control the transaction.
Frequently asked questions
What is a good WD Ultrastar price per TB in 2026?
Why are some Ultrastar drives much cheaper than others?
Can I use a SAS Ultrastar in a SATA-only NAS?
Are all Ultrastar HC drives 512e?
Is manufacturer recertified the same as seller refurbished?
Does the cheapest Ultrastar listing have the best value?
Does Cloudzat fabricate earlier Ultrastar history?
What should I check when an Ultrastar drive arrives?
Affiliate disclosure: Cloudzat may earn a commission from qualifying Amazon purchases. This does not change the price you pay.