16TB and larger HDDs

High Capacity Hard Drive Prices

This page defaults to current HDD listings at 16TB and above, then groups the live market by capacity so you can see where the current value sweet spot sits.

Raw capacity is shown in decimal TB. RAID usable capacity and filesystem overhead depend on your array design and are not implied by the table.

Live prices from current DatacenterDisk inventoryยท updated

Direct answer

High-capacity hard drive value depends on the capacity step, not just the largest number on the label. The best $/TB often appears below the maximum available capacity, while the largest drives can still be justified when bays, power, or rack density are constrained.

Cheapest HDD
$470
16TB Used - $29.37/TB
Best Price/TB
$28.14/TB
Seagate ST22000NM001E - $619
Best Historical Value
GREAT PRICE
Seagate ST22000NM001E - This listing is unusually strong for this exact drive condition.
Best Market Value
Excellent
Seagate ST22000NM001E - $28.14/TB
Cheapest New HDD
$640
20TB - $32.00/TB
Cheapest Used HDD
$470
16TB Used - $29.37/TB
Median $/TB
$40.55/TB
59 live HDD listings

Hard Drive Price Views

Move between the live market, deals, enterprise, NAS, used, capacity, and brand views.

Main hub

Capacity Price Dashboard

Cheapest, median, and best current $/TB by HDD capacity.

Full capacity view
CapacityCheapestMedian PriceBest $/TBBest Good PriceListings
16TB$469.99$726.48$29.37/TBGREAT PRICE14
18TB$509.99$619.00$28.33/TBGREAT PRICE19
20TB$569.99$799.99$28.50/TBGREAT PRICE9
22TB$619.00$892.00$28.14/TBGREAT PRICE9
24TB$764.50$984.00$31.85/TBGREAT PRICE5
26TB$1,429.99$1,429.99$55.00/TBIn progress1
32TB$1,339.99$1,369.99$41.87/TBIn progress2
16TB$29.37/TB
18TB$28.33/TB
20TB$28.50/TB
22TB$28.14/TB
24TB$31.85/TB
26TB$55.00/TB
32TB$41.87/TB

Live High-Capacity HDD Prices

The default sort favors Good Price signals, then current price per TB across 16TB and larger listings.

Market Value compares a listing with current peers in the same use class, interface, condition, and capacity band. Historical Value compares it only with its own stored price record. The two columns can disagree and both be right: Market Value asks whether a listing is cheap next to comparable drives on sale today, Historical Value asks whether it is cheap next to its own past. A small drive can be Expensive per TB against its peers and still be at the lowest price it has ever had. See the Good Price guide for broader market context.

Showing 59 of 59 current HDD listings. Out-of-stock listings and invalid prices are excluded.
AverageGREAT PRICE
$599.99
$33.33/TB

WD Gold 18TB

Capacity
18TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
Enterprise

24% below comparable new WD 18TB

AverageGREAT PRICE
$659.00
$36.61/TB

WD Gold 18TB

Capacity
18TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
Enterprise

16% below comparable new WD 18TB

AverageFAIR PRICE
$589.00
$32.72/TB

WD WD181KFGX

Capacity
18TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
NAS

25% below comparable new WD 18TB

ExpensiveFAIR PRICE
$609.99
$38.12/TB

WD WD161KFGX

Capacity
16TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
NAS

16% below comparable new WD 16TB

ExpensiveFAIR PRICE
$699.99
$38.89/TB

WD WD181PURP

Capacity
18TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
Surveillance

11% below comparable new WD 18TB

FAIR PRICE
$774.99
$35.23/TB

WD WD221KFGX

Capacity
22TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
NAS

19% below comparable new WD 22TB

ExcellentIn progress
$510.00
$28.33/TB

WD WD180PURZ

Capacity
18TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
Surveillance

35% below comparable new WD 18TB

ExpensiveIn progress
$799.99
$40.00/TB

WD WD201KFGX

Capacity
20TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
NAS

11% below comparable new WD 20TB

AverageHIGH PRICE
$619.00
$34.39/TB

WD WD181KFGX

Capacity
18TB
Brand
WD
Condition
Used
Interface
SATA-6G
Use
NAS

21% below comparable new WD 18TB

Brand Price Dashboard

Current HDD price bands by brand where live inventory exists.

Full brand view
BrandCheapest DriveMedian $/TBBest $/TBBest Good PriceListings
WDWD WD180PURZ ($510.00)$43.58/TB$28.33/TBGREAT PRICE35
SeagateSeagate ST16000NM001G ($469.99)$37.87/TB$28.14/TBGREAT PRICE16
MDDMDD MDD18TS25672NAS ($509.99)$30.56/TB$28.33/TBIn progress5
ToshibaToshiba MG09ACA18TE ($635.00)$46.53/TB$35.28/TBIn progress2
SynologySynology HAT5300-16T ($999.99)$62.50/TB$62.50/TBIn progress1
WD$43.58/TB
Seagate$37.87/TB
MDD$30.56/TB
Toshiba$46.53/TB
Synology$62.50/TB
cheapest storage per TB
absolute $/TB ranking
Good Price guide
how the value signal works
HDD price forecast
market trend view
recertified hard drives
used and renewed market
16TB HDD prices
capacity page
18TB HDD prices
capacity page
20TB HDD prices
capacity page
24TB HDD prices
capacity page

Finding the high-capacity sweet spot

Large HDD pricing usually moves in shelves. A new maximum capacity can carry a premium, while the prior generation may become the better value per TB once supply is broad.

The capacity summary on this page helps separate the largest available drive from the best current capacity economics.

Drive count still matters

A higher-capacity drive can reduce bay count, controller ports, shelves, power, and cabling. Those savings can matter in a server or rack even if the single-drive $/TB is not the absolute lowest.

For home and lab buyers, the calculation may be simpler: if bays are available and backups are planned, the cheaper $/TB capacity step can be the better purchase.

RAID and rebuild context

The table shows raw decimal drive capacity. RAID usable capacity depends on drive count, RAID level, parity count, filesystem overhead, and reserved space.

As drive size increases, rebuild windows and exposure during degraded operation can become more important. Include spares and backup policy in the buying decision.

FAQs

Are the largest hard drives the best value?

Not always. The largest drive can save bays and power, but the best current $/TB often appears one or two capacity steps below the maximum.

Does 12 x 24TB mean 288TB usable?

No. It is 288TB raw decimal capacity before RAID, filesystem, and reserved-space overhead.

Methodology

DatacenterDisk includes current in-stock HDD listings with valid positive prices, valid positive capacity, and price-per-TB data. Out-of-stock listings and broken zero-dollar prices are excluded from current rankings.

Good Price is calculated once in the shared pricing utility from current in-stock listings and stored DatacenterDisk price records. Historical Value compares a listing only with its own stored price record for that exact drive and condition. GREAT PRICE means today's price is within 3% of the lowest we have recorded for it, or at least 15% below its own 30- or 90-day average; GOOD PRICE, within 7% of that low or at least 7% below its 30-day average; HIGH PRICE, more than 7% above its own 30-day average; FAIR PRICE otherwise. It reads In progress when we hold fewer than 7 days of records, or when the price has never moved more than 3% across its record - an unchanged price is neither a low nor a high, so it gets no verdict.

Market Value requires at least three relevant current peers and compares price per TB within matching use class, interface, condition, and capacity band. When that peer set is too small, the row shows a progress indicator instead of a market-value label.