IronWolf Pro 30TB and 32TB are the two top Seagate NAS capacities in this generation. They share the same core support story: CMR, SATA, 7200 RPM, 512MB cache, 550TB/year workload rating and a five-year warranty.
The 32TB model adds 2TB per bay and carries the highest-density NAS positioning. Whether it is worth buying depends on live price and how expensive a bay is in your chassis.
Buy the 32TB ST32000NT000 when the live $/TB is close to the 30TB ST30000NT011 or when bay scarcity dominates. Buy 30TB when it is clearly cheaper per usable TB. There is no major workload-rating split here; this is a density and economics choice.
Use this as the procurement-level screen before looking at live price rows.
| Decision point | IronWolf Pro 30TB | IronWolf Pro 32TB |
|---|---|---|
| Capacity | 30TB | 32TB |
| Recording | CMR | CMR |
| Interface | SATA 6Gb/s | SATA 6Gb/s |
| Cache | 512MB | 512MB |
| Max sustained transfer | 275MB/s | 285MB/s |
| Workload / warranty | 550TB/year / 5 years | 550TB/year / 5 years |
| Best use | Value-sensitive dense NAS | Maximum-density IronWolf Pro arrays |
| Main limitation | Less slot density | Launch premium can be high |
This shows the capacity delta only. The financial answer comes from the live $/TB rows on the page.
| Drive count | IronWolf Pro 30TB raw | IronWolf Pro 32TB raw | Raw delta |
|---|---|---|---|
| 4 bays | 120TB | 128TB | 8TB |
| 6 bays | 180TB | 192TB | 12TB |
| 8 bays | 240TB | 256TB | 16TB |
| 12 bays | 360TB | 384TB | 24TB |
One exact live row is currently matched for ST32000NT000, but both sides of ST30000NT011 / ST32000NT000 are not simultaneously in exact live stock. Relevant live alternatives are shown below for pricing context and should not be treated as exact OEM equivalents.
Live prices · updated about once a day · last checked 1 hr ago · one side may be unavailable; alternatives are not exact OEM replacements
| Model | Capacity | Recording | RPM | Workload TB/yr | Warranty | $/TB | Price | |
|---|---|---|---|---|---|---|---|---|
| 32TB ST32000NT000 This offer: sold by QuickDealStore · Amazon says New / Unknown | 32TB | CMR | 7,200 | 550 | 5 yr | $43.75 | $1400 | Buy on Amazon |
| 16TB ST16000NE000REFURB This offer: sold by ALL4COMPUTERS ----- SIGNATURE REQUIRED ----- · Amazon says Used / Good · ALL4COMPUTERS ----- SIGNATURE REQUIRED -----'s note: 5 YEAR DEALER WARRANTY - 100% SATISFACTION GUARANTEED. | 16TB | UNVERIFIED | — | 300 | 5 yr | $31.25 | $500 | Buy on Amazon |
| 16TB ST16000NT001 This offer: sold by QuickDealStore · Amazon says New / Unknown | 16TB | UNVERIFIED | 7,200 | 300 | 5 yr | $36.87 | $590 | Buy on Amazon |
| 10TB ST10000NE0008REFURB This offer: sold by ALL4COMPUTERS ----- SIGNATURE REQUIRED ----- · Amazon says Used / Good · ALL4COMPUTERS ----- SIGNATURE REQUIRED -----'s note: 5 YEAR DEALER WARRANTY - 100% SATISFACTION GUARANTEED. | 10TB | UNVERIFIED | — | 300 | 5 yr | $40.00 | $400 | Buy on Amazon |
| 10TB ST10000NEZ008REFURB This offer: sold by ALL4COMPUTERS ----- SIGNATURE REQUIRED ----- · Amazon says Used / Good · ALL4COMPUTERS ----- SIGNATURE REQUIRED -----'s note: 5 YEAR DEALER WARRANTY - 100% SATISFACTION GUARANTEED. | 10TB | UNVERIFIED | — | 300 | 5 yr | $40.00 | $400 | Buy on Amazon |
| 20TB ST20000NT001 This offer: sold by QuickDealStore · Amazon says New / Unknown | 20TB | UNVERIFIED | 7,200 | 300 | 5 yr | $44.00 | $880 | Buy on Amazon |
| 12TB ST12000NE0008 This offer: sold by Best Products Prime · Amazon says New / Unknown | 12TB | UNVERIFIED | 7,200 | 300 | 5 yr | $44.58 | $535 | Buy on Amazon |
| 8TB ST8000NEZ01REFURB This offer: sold by ALL4COMPUTERS ----- SIGNATURE REQUIRED ----- · Amazon says Used / Good · ALL4COMPUTERS ----- SIGNATURE REQUIRED -----'s note: 100% HEALTH NO BAD SECTORS | 8TB | UNVERIFIED | 7,200 | 300 | 5 yr | $50.00 | $400 | Buy on Amazon |
Workload rating is recorded per part number from the manufacturer's published data for that exact model where available, not blanketed across the line — two drives of the same capacity can differ because they are different generations. A dash means the figure is not stated for that listing. Recording technology comes from the manufacturer's published CMR/SMR list; a model absent from that list is shown as UNVERIFIED rather than guessed. Rows priced above 3× this line's in-stock median are flagged and excluded from the winner callout and from every median we compute.
This table is computed from live DatacenterDisk rows when an exact in-stock match exists. It is intentionally blank for unavailable models rather than filled with stale prices.
| Live model | Drive price | $/TB | 1 drive | 4 drives | 8 drives | 12 drives |
|---|---|---|---|---|---|---|
| ST32000NT000 | $1400 | $43.75 | 32TB raw / $1400 | 128TB raw / $5600 | 256TB raw / $11200 | 384TB raw / $16800 |
The 32TB model adds the same 2TB per bay over 30TB that 30TB adds over 28TB, but buyers treat the top step differently because it can avoid an expansion shelf. In 12 bays, the raw delta is 24TB and the dual-parity usable delta is about 20TB before overhead.
If that capacity keeps a production NAS inside its current chassis for another year, the premium can be rational. If it only creates idle headroom, the premium is harder to defend.
Both models are CMR, SATA 6Gb/s, 7200 RPM and 512MB-cache drives with the same published workload and warranty terms. Seagate lists a higher maximum sustained transfer rate for 32TB, but this should not be turned into a benchmark claim.
The operational risk is similar: high-capacity rebuilds, large backup sets, cooling in full drive cages and vendor compatibility with exact part numbers.
32TB is worth it when the drive premium is lower than the cost of buying more bays. In a rack NAS or a proprietary expansion ecosystem, the bay can be the expensive item. In a DIY chassis with spare slots, the bay can be cheap.
This is why DatacenterDisk shows live rows rather than a static recommendation. The better answer changes as inventory changes.
They are listed together on Seagate's current 32TB/30TB/28TB IronWolf Pro data sheet.
About 20TB in a dual-parity layout before filesystem overhead.
No. Price per TB is the first screen, not the whole decision - for the IronWolf Pro 30TB vs 32TB specifically: match recording method, interface, bay count, firmware support, warranty position and rebuild risk before accepting the cheapest row.
Specification claims on this page were checked against the pages below on 1 September 2026. Where a widely-repeated figure did not survive that check, we report what the source says now and say so in the text rather than repeating the familiar number.