ST25000NM000E is the exact model-number search page for Seagate's 25TB Exos Xz SATA SMR drive. It is intentionally narrower than the broader Exos 25TB buying page because part-number buyers need identification, compatibility and substitution warnings first.
The key procurement detail is that the model is documented as a host-managed zoned SMR device. A listing that only says 25TB Exos is not enough information for a purchase order.
ST25000NM000E is a 25TB Seagate Exos Xz SATA drive with SMR/ZAC host-managed zoned behavior, 512MB cache, 7200 RPM and a five-year warranty class. Verify the full model string, host-managed SMR support, sector format and firmware/support row before ordering.
Manufacturer-published values for the exact product family. Retail listings can collapse these details, so match the part number before ordering.
| Spec | Value |
|---|---|
| Model number | ST25000NM000E |
| Capacity | 25TB decimal marketed capacity |
| Recording technology | SMR / ZAC host-managed zoned device |
| Platform | Seagate Exos Xz 25TB SATA SMR platform; public Seagate records also expose the same part number in Exos X22 firmware context |
| Interface | SATA 6Gb/s, single port |
| Sector format | FastFormat 512e/4Kn family; product manual lists 512-byte logical and 4096-byte physical sectors |
| Spindle speed | 7200 RPM |
| Cache / buffer | 512MB |
| Maximum sustained transfer rate | 260MB/s maximum sustained transfer rate, outer diameter |
| Workload rating | <550TB/year |
| Reliability rating | 2.5M hours; 0.35% annualized failure rate class |
| Warranty | 5-year limited warranty |
| Power | 6.7W idle average; 10W maximum operating in published data-sheet table |
| Acoustics | 2.8 Bels idle typical; 3.4 Bels seek maximum |
| Operating temperature | 10C to 60C operating |
| Compatibility note | Requires a host and storage stack that can use ZAC host-managed SMR correctly; not a generic CMR replacement. |
No exact in-stock live row is currently matched for ST25000NM000E. Relevant live alternatives are shown so the page does not collapse into an empty catalogue.
Live prices · updated every 4-5 hours · last checked 7 hr ago · exact model not currently matched in live stock
| Model | Capacity | Recording | RPM | Workload TB/yr | Warranty | $/TB | Price | |
|---|---|---|---|---|---|---|---|---|
| 24TB ST24000NM002HREFURB | 24TB | CMR | 7,200 | 550 | 5 yr | $29.17 | $700 | Buy |
| 24TB ST24000NM000H | 24TB | CMR | 7,200 | 550 | 5 yr | $58.37 | $1401 | Buy |
Workload rating is recorded per part number from Seagate's datasheet for that exact model, 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 | 100TB raw target | 500TB raw target | 1PB raw target |
|---|---|---|---|---|---|
| No exact in-stock row is available right now. Use the availability table for nearby live alternatives, then re-check the exact model before ordering. | |||||
These checks prevent most exact-model mistakes before a quote is accepted.
| Check | Why it matters |
|---|---|
| Full model string | ST25000NM000E must be visible; similar Exos capacities can use different recording architectures. |
| ZAC/HM-SMR support | The host must manage zoned-write behavior instead of treating the drive as ordinary random-write CMR media. |
| Sector format | Confirm 512e/4Kn expectations and FastFormat state before mixing with existing pools. |
| Controller path | Hardware RAID and some abstractions can hide the media behavior the host needs to manage. |
| Return terms | Frontier and exact-model inventory can be thin; protect against substitutions. |
The full model number matters because Seagate's public enterprise catalogue spans conventional Exos X24 CMR, newer Exos support rows, Exos Xz host-managed SMR models and Mozaic entries. ST25000NM000E should not be bought by capacity label alone.
For a buyer, the right quote states the model, condition, warranty path, interface and any firmware or security suffix information available from the seller. If the seller cannot confirm those details, do not treat the listing as an exact match.
The first compatibility question is not whether the drive has a SATA connector. It is whether the storage stack supports host-managed SMR. The operating system, filesystem, controller path and application all have to preserve the zoned behavior.
The second question is replacement behavior. A 25TB host-managed SMR disk is not a simple emergency spare for a 24TB CMR pool unless the pool was built for that media model.
The broader Exos 25TB page asks whether the 25TB generation is a rational purchase against 24TB and newer capacities. This page answers the exact ST25000NM000E procurement question: is this the model you think it is, and will it work in the target stack?
Use both pages together for fleet decisions: one for architecture and economics, one for purchase-order verification.
Yes. It is listed in Seagate's Exos Xz / X-Mozaic support documentation as a 25TB Seagate enterprise model.
Not automatically. ST25000NM000E is a host-managed SMR/ZAC model, so replacement depends on the pool and host support.
Verify full model string, host-managed SMR support, sector format, condition, warranty path and seller substitution policy.
No. Price per TB is the first screen, not the whole decision. 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.