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iStorage 256BIT 20TB HDD Price & Specs | ListofDisks

iStorage 256BIT 20TB

Name: iStorage 256BIT 20TB
Brand: iStorage
SKU: 256BIT
Availability: InStock

Pricing, offers, specs, and price-history.

$77.60/TB$1,552.00 total

See at Amazon

Lowest current offer90d low: $50.71/TBChecked 2h 12m ago

Model 256BIT

No new offers tracked. Showing refurbished and used market data.

Capacity: 20TB
Technology: HDD
Form factor: 3.5"
Interface: USB
Warranty: 2 yrs

If this isn't the right fit

Here are a few nearby options pulled from the live catalog.

Cheaper from this brand

iStorage IS-DT3-256-26000-F 26TB

$69.23/TB • $1,799.95 total

26TB • HDD • USB

Stay with iStorage and cut the starting price.

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Lower $/TB at this capacity

Western Digital WDBWLG0200HBK-NESN 20TB

$22.00/TB • $439.99 total

20TB • HDD • USB • SMR

Another 20TB option is currently cheaper per terabyte.

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Similar from this brand

iStorage IS-DT2-256-30000-C-X 30TB

$81.00/TB • $2,429.95 total

30TB • HDD • USB

Same interface and a more comparable size from iStorage.

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Need a wider comparison?Ask Drive Finder →

Live offers

Current offers across retailers. Showing all active offers, including 2 non-new.

Checked 2h 12m agoNew (0)All active (2)

Retailer	Price	$/TB	Condition	Stock	Checked
Amazon via -1 3rd Party

Lowest $/TB$77.60/TB

See Deal

Price chart ($/TB)

Daily median $/TB with historical lows highlighted.

Median $/TB Daily low $/TB

30d 90d 180d 365d

Median $/TB Daily low $/TB

Date	Median $/TB	Low $/TB
Apr 3, 2026	$77.70	$77.70
Apr 2, 2026	$77.70	$77.60
Apr 1, 2026	$77.65	$77.60
Mar 31, 2026	$77.65	$77.60
Mar 30, 2026	$77.65	$77.60
Mar 29, 2026	$77.70	$77.60
Mar 28, 2026	$77.60	$77.60
Mar 27, 2026	$77.65	$77.60
Mar 26, 2026	$77.65	$77.60

Apr 3, 2026

Median $/TB$77.70

Low $/TB$77.70

Apr 2, 2026

Median $/TB$77.70

Low $/TB$77.60

Apr 1, 2026

Median $/TB$77.65

Low $/TB$77.60

Mar 31, 2026

Median $/TB$77.65

Low $/TB$77.60

Mar 30, 2026

Median $/TB$77.65

Low $/TB$77.60

Mar 29, 2026

Median $/TB$77.70

Low $/TB$77.60

HistoryDaily

Median, range, and averages for each day period.

Period start	Obs	Median $/TB	Range $/TB	Avg $/TB	Median price
Jan 22, 2026	2	$52.50	$50.71 – $54.30	$52.50	$1,050.08
Jan 23, 2026	2	$53.02	$51.75 – $54.30	$53.02	$1,060.48
Jan 24, 2026	2	$53.02	$51.75 – $54.30	$53.02

Jan 22, 20262 obs

Median $/TB$52.50

Range $/TB$50.71 – $54.30

Avg $/TB$52.50

Median price$1,050.08

Jan 23, 20262 obs

Median $/TB$53.02

Range $/TB$51.75 – $54.30

Avg $/TB$53.02

Median price$1,060.48

Jan 24, 20262 obs

Median $/TB$53.02

Range $/TB$51.75 – $54.30

Avg $/TB$53.02

Median price$1,060.48

Jan 25, 202611 obs

Median $/TB$51.75

Range $/TB$51.75 – $54.30

Avg $/TB$52.44

Median price$1,035.00

Jan 26, 20262 obs

Median $/TB$53.02

Range $/TB$51.75 – $54.30

Avg $/TB$53.02

Median price$1,060.48

Jan 28, 20261 obs

Median $/TB$51.75

Range $/TB$51.75 – $51.75

Avg $/TB$51.75

Median price$1,035.00

Jan 29, 20261 obs

Median $/TB$54.30

Range $/TB$54.30 – $54.30

Avg $/TB$54.30

Median price$1,085.95

Jan 30, 20261 obs

Median $/TB$57.10

Range $/TB$57.10 – $57.10

Avg $/TB$57.10

Median price$1,141.95

Jan 31, 20261 obs

Median $/TB$54.30

Range $/TB$54.30 – $54.30

Avg $/TB$54.30

Median price$1,085.95

Feb 2, 20261 obs

Median $/TB$57.10

Range $/TB$57.10 – $57.10

Avg $/TB$57.10

Median price$1,141.95

Feb 4, 20261 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.60

Avg $/TB$77.60

Median price$1,552.00

Feb 10, 20261 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.60

Avg $/TB$77.60

Median price$1,552.00

Feb 11, 20261 obs

Median $/TB$77.70

Range $/TB$77.70 – $77.70

Avg $/TB$77.70

Median price$1,554.00

Feb 12, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 21, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 22, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 23, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 24, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 25, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 26, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Feb 27, 20263 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.63

Median price$1,552.00

Feb 28, 20263 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.67

Median price$1,554.00

Mar 1, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 2, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 3, 20263 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.63

Median price$1,552.00

Mar 4, 20263 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.67

Median price$1,554.00

Mar 5, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 6, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 7, 20263 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.63

Median price$1,552.00

Mar 8, 20263 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.67

Median price$1,554.00

Mar 9, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 10, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 11, 20263 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.63

Median price$1,552.00

Mar 12, 20263 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.67

Median price$1,554.00

Mar 13, 20263 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.63

Median price$1,552.00

Mar 14, 20263 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.67

Median price$1,554.00

Mar 15, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 16, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 17, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 18, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 19, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 20, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 21, 20262 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 22, 20263 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.63

Median price$1,552.00

Mar 23, 20263 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.67

Median price$1,554.00

Mar 24, 20264 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 25, 20266 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 26, 20266 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 27, 20266 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 28, 20267 obs

Median $/TB$77.60

Range $/TB$77.60 – $77.70

Avg $/TB$77.64

Median price$1,552.00

Mar 29, 20267 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.66

Median price$1,554.00

Mar 30, 20266 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Mar 31, 20266 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Apr 1, 20268 obs

Median $/TB$77.65

Range $/TB$77.60 – $77.70

Avg $/TB$77.65

Median price$1,553.00

Apr 2, 20265 obs

Median $/TB$77.70

Range $/TB$77.60 – $77.70

Avg $/TB$77.66

Median price$1,554.00

Apr 3, 20261 obs

Median $/TB$77.70

Range $/TB$77.70 – $77.70

Avg $/TB$77.70

Median price$1,554.00