Live BarraCuda capacity value comparison

Seagate BarraCuda Price per TB: Compare Current Capacities

The lowest BarraCuda purchase price is rarely the lowest storage cost. This page compares current capacity, exact model, recording method and price per terabyte, then adds the workload and bay-efficiency context needed to avoid choosing a cheap SMR drive for a CMR requirement.

BarraCuda specifications reviewed August 4, 2026 1TB through 24TB BarraCuda Exact model verification required

BarraCuda 1TB exact-model route Open the complete 1TB guide

A low 1TB price can hide the wrong model or condition

For 1TB BarraCuda listings, compare more than price per terabyte. A new DM014, old-stock DM010, used pull and laptop LM048 should not share one undifferentiated ranking.

Current desktopST1000DM0143.5-inch · 7,200 RPM · 256MB · SMROpen exact-model guide Older desktopST1000DM0103.5-inch · 7,200 RPM · 64MB · CMROpen exact-model guide Laptop driveST1000LM0482.5-inch · 7mm · 5,400 RPMOpen exact-model guide

Separate condition

Display new, renewed, refurbished and used offers independently, with the warranty source visible.

Compare alternatives

At 1TB, a SATA SSD or a 2TB HDD can offer better overall value depending on the workload.

Treat missing prices carefully

Buying-options listings may be real products even when Amazon exposes no featured price. Do not invent a price.

Important: A cheap used DM010 is not directly comparable with a new DM014 or a new SSD.

Quick answer

Calculate value only after matching the workload. Divide the new-condition single-drive price by decimal capacity, then compare recording technology, warranty and the number of bays required. Current 12TB through 24TB BarraCuda models add CMR and a 120TB-per-year workload tier, which can outweigh a small raw-price advantage from an 8TB SMR model.

Capacity range1TB to 24TBCurrent 3.5-inch models

Value metricPrice per raw TBSingle-drive new price

Quality filterExact modelCurrent and new condition

Workload checkSMR or CMRBefore price sorting

Exact model data

Current BarraCuda capacity, recording and workload ladder

Capacity	Model	Family	Recording	RPM	Cache	Max sustained	Workload	Warranty
1TB	`ST1000DM014`	BarraCuda	SMR	7,200	256MB	220MB/s	55TB/yr	2 years
2TB	`ST2000DM005`	BarraCuda	SMR	5,400	256MB	190MB/s	55TB/yr	2 years
2TB	`ST2000DM008`	BarraCuda	SMR	7,200	256MB	220MB/s	55TB/yr	2 years
3TB	`ST3000DM007`	BarraCuda	SMR	5,400	256MB	185MB/s	55TB/yr	2 years
4TB	`ST4000DM004`	BarraCuda	SMR	5,400	256MB	190MB/s	55TB/yr	2 years
6TB	`ST6000DM003`	BarraCuda	SMR	5,400	256MB	185MB/s	55TB/yr	2 years
8TB	`ST8000DM004`	BarraCuda	SMR	5,400	256MB	190MB/s	55TB/yr	2 years
12TB	`ST12000DM003`	BarraCuda	CMR	7,200	512MB	190MB/s	120TB/yr	2 years
16TB	`ST16000DM001`	BarraCuda	CMR	7,200	512MB	190MB/s	120TB/yr	2 years
20TB	`ST20000DM001`	BarraCuda	CMR	7,200	512MB	190MB/s	120TB/yr	2 years
24TB	`ST24000DM001`	BarraCuda	CMR	7,200	512MB	190MB/s	120TB/yr	2 years

Live catalogue prices can change. The specification table remains fixed to exact current models, while the offer section is limited to fresh new-condition matches.

Live catalogue

Current BarraCuda prices sorted by value

Verified exact-model listing identity remains eligible for at least 336 hours after successful confirmation. Current new-condition price and Amazon image observations refresh independently. A missing featured offer or temporary catalogue request failure does not remove a still-verified listing. Exact family, capacity and current-model matching are enforced.

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Checking the current Cloudzat catalogue…

Interactive decision tool

Calculate BarraCuda price per TB and total storage cost

Choose an exact model, enter the current price and quantity, and reserve working space. The result shows raw value and the specification context behind it.

Exact BarraCuda model Price per drive Number of drives Working-space reserve (%)

The correct price-per-terabyte formula

For a single drive, divide the purchase price by the decimal terabytes printed by the manufacturer. A $160 8TB drive costs $20 per raw TB. For several drives, multiply price and capacity by the same quantity; the raw price per terabyte remains unchanged.

This is a comparison metric, not operating-system usable space. Binary reporting, formatting and reserved working space reduce what appears available. RAID or mirroring can reduce it further, though BarraCuda is not the default recommendation for a new multi-bay array.

Price must be filtered by exact model and condition

A low offer can be renewed, recertified, used, external, bundled or a different family. The catalogue excludes obvious mismatches and stale prices, but the retailer page still needs inspection. Compare one new bare internal drive with another.

A capacity-only listing can conceal a different model. This matters especially at 2TB, where ST2000DM005 and ST2000DM008 have different RPM and power. Value calculations are meaningful only after product identity is established.

SMR can look cheaper without being better value

The 4TB and 8TB BarraCuda models may rank well on raw price per terabyte. That value is real for mostly-read storage and moderate backups. It is less persuasive for frequent sustained rewriting, where an SMR performance penalty can consume time and complicate operations.

Compare the cheapest drive that fits the workload, not the cheapest drive that reaches the capacity. A CMR requirement should be applied before sorting price.

The high-capacity CMR tier changes the comparison

Current 12TB, 16TB, 20TB and 24TB BarraCuda models use CMR, 7,200 RPM, 512MB cache and a 120TB-per-year workload rating. They can provide both greater bay efficiency and a more predictable recording design.

When the 12TB drive costs less than 1.5 times the 8TB price, it has a lower raw price per terabyte. The same percentage test can compare any capacities. Larger drives can also avoid purchasing another bay or enclosure.

Warranty and workload are part of storage cost

All current BarraCuda models in the data sheet carry a two-year limited warranty, but the workload tier differs. Smaller models are 55TB per year, while the 12TB-to-24TB models are 120TB per year.

A price-per-terabyte table should show these specifications next to price. A cheaper drive outside the expected workload can create earlier replacement, longer jobs or a forced migration. Those costs do not appear on the product page.

Calculate the full storage project

Add drive price, mounting hardware, SATA cables if required, backup capacity, enclosure or case cost, electricity and future replacement. A single 24TB drive may simplify installation but also concentrates more data in one failure domain. A second copy is still required.

For a desktop, bay count can have real value. Replacing several smaller disks with one larger drive can free SATA ports and reduce cabling. Balance that convenience against restore time and the amount of data affected by one failure.

Use freshness and availability as data

A price is useful only when the listing is available, new and recently refreshed. Cloudzat's live section uses the existing catalogue and rejects offers older than the freshness window when an update timestamp is present. The plugin also registers exact model queries with Storage Prices so missing products can be pulled during the next refresh.

When no fresh offer is available, the fallback search includes the Cloudzat associate tag. This keeps the editorial page useful without inventing a price or showing a stale product.

A practical value decision rule

First define the workload and required recording technology. Second choose the capacity that leaves growth headroom. Third compare fresh exact-model prices per terabyte. Fourth add backup, bay and power costs.

The best value is the lowest complete cost among drives that meet the requirement. It is not automatically the lowest number in the price-per-terabyte column.

How Cloudzat evaluates BarraCuda drives

Cloudzat attaches recording technology, RPM, cache, transfer rate, workload and warranty only to an exact current model. It never assumes that every BarraCuda at the same capacity is identical. This is essential at 2TB, where ST2000DM005 and ST2000DM008 have different rotational speed, transfer and power specifications, and across the family boundary where current 1TB through 8TB models use SMR while 12TB through 24TB models use CMR.

Live offers are screened for current desktop BarraCuda models, new condition, plausible capacity and price. Obvious SSDs, 2.5-inch laptop drives, external drives, NAS appliances, enclosures, accessories, SAS products, multipacks, renewed, recertified and used listings are rejected. Price per terabyte uses the current single-drive price divided by decimal capacity. Every important file still needs an independent backup.

Frequently asked questions

Seagate BarraCuda questions

How is BarraCuda price per TB calculated?

Divide the current new single-drive price by the manufacturer's decimal capacity in terabytes.

Why does usable capacity look lower?

Operating systems may report binary units, and formatting or reserved space reduces available capacity.

Should I compare renewed drives with new drives?

No. Separate conditions because warranty, wear and risk differ.

Which current BarraCuda capacities are CMR?

12TB, 16TB, 20TB and 24TB in the March 2026 data sheet.

Does buying two drives change raw price per TB?

No, if both have the same unit price. It changes total cost and the way you can protect or distribute data.

Why can a larger drive be better value even at a higher price per TB?

It may preserve a drive bay, reduce system complexity or meet a CMR requirement that the smaller model does not.

Primary sources

Cloudzat may earn a commission from qualifying purchases. Product availability, pricing and specifications can change. Confirm the exact BarraCuda model, recording technology, seller, condition and regional warranty route before buying.