The Toshiba MG11 22TB is not just a smaller copy of the 24TB page. Its value depends on whether 22TB inventory is mature enough to beat 24TB MG11, Seagate Exos and WD Ultrastar alternatives on live cost per usable terabyte.
Technically it keeps the important MG11 traits: CMR, helium, 7200 RPM, 1GiB buffer, SATA and SAS variants, 550TB/year workload class and conventional enterprise behavior.
Choose Toshiba MG11 22TB when it is clearly cheaper per usable TB than 24TB MG11 or competing 22TB/24TB enterprise drives. It is a CMR enterprise drive, so the main decision is value and availability, not SMR compatibility.
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 | MG11ACA22TE, MG11ACA22TEY, MG11ACP22TE, MG11SCA22TE, MG11SCA22TEY, MG11SCP22TE |
| Capacity | 22TB decimal marketed capacity |
| Recording technology | CMR with Toshiba FC-MAMR on a 10-disk helium platform |
| Platform | Toshiba MG11 enterprise nearline generation |
| Interface | SATA 6Gb/s and SAS 12Gb/s variants |
| Sector format | 512e default with 4Kn conversion support by model family |
| Spindle speed | 7200 RPM |
| Cache / buffer | 1GiB |
| Maximum sustained transfer rate | 295MiB/s maximum sustained transfer rate on 24TB and 22TB MG11 references |
| Workload rating | 550TB/year |
| Reliability rating | 2.5M hours MTTF/MTBF; 0.35% AFR class |
| Warranty | 5-year limited warranty on MG enterprise family references |
| Power | SATA 24TB/22TB class around 8.11W read/write and 4.35W active idle; SAS variants are higher |
| Acoustics | 20dB idle / 32dB seek in MG11 overview references |
| Operating temperature | 5C to 55C ambient operating; 5C to 60C enclosure surface |
| Compatibility note | Conventional CMR enterprise drive; match interface and sector format to the target server or shelf. |
No exact in-stock live row is currently matched for MG11ACA22TE, MG11ACA22TEY, MG11ACP22TE, MG11SCA22TE, MG11SCA22TEY, MG11SCP22TE. Relevant live alternatives are shown so the page does not collapse into an empty catalogue.
Live prices · updated every 4-5 hours · last checked 24 min ago · exact model not currently matched in live stock
| Model | Capacity | Recording | RPM | Workload TB/yr | Warranty | $/TB | Price | |
|---|---|---|---|---|---|---|---|---|
| 22TB ST22000NM001HREFURB | 22TB | CMR | 7,200 | 550 | 5 yr | $27.27 | $600 | Buy |
| 22TB ST22000NM001EREFURB | 22TB | CMR | 7,200 | — | 5 yr | $29.09 | $640 | Buy |
| 24TB ST24000NM002HREFURB | 24TB | CMR | 7,200 | 550 | 5 yr | $29.17 | $700 | Buy |
| 22TB ST22000NM001E | 22TB | CMR | 7,200 | — | 5 yr | $29.55 | $650 | Buy |
| 18TB ST18000NM003DREFURB | 18TB | EPMR | 7,200 | 550 | 5 yr | $32.22 | $580 | Buy |
| 20TB ST20000NM007DREFURB | 20TB | CMR | 7,200 | — | 5 yr | $33.50 | $670 | Buy |
| 14TB ST14000NM0018 | 14TB | CMR | 7,200 | 550 | 5 yr | $39.56 | $554 | Buy |
| 16TB ST16000NM002GREFURB | 16TB | CMR | 7,200 | 550 | 5 yr | $39.84 | $637 | Buy |
| 20TB ST20000NM003DREFURB | 20TB | CMR | 7,200 | — | 5 yr | $43.05 | $861 | Buy |
| 12TB ST12000NM002G | 12TB | CMR | 7,200 | 550 | 5 yr | $49.54 | $594 | 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. | |||||
Raw capacity is not usable capacity. This table shows the slot-level math before filesystem overhead, snapshots, reserved space and vendor-specific parity layouts.
| Drive count | Raw capacity | Single-parity usable | Dual-parity usable |
|---|---|---|---|
| 4 bays | 88TB | 66TB | 44TB |
| 6 bays | 132TB | 110TB | 88TB |
| 8 bays | 176TB | 154TB | 132TB |
| 12 bays | 264TB | 242TB | 220TB |
The smaller model must win on price, qualification or availability to justify giving up slot density.
| Drive count | 22TB raw | 24TB raw | Raw capacity given up |
|---|---|---|---|
| 4 drives | 88TB | 96TB | 8TB |
| 8 drives | 176TB | 192TB | 16TB |
| 12 drives | 264TB | 288TB | 24TB |
| 24 drives | 528TB | 576TB | 48TB |
Enterprise storage does not always chase top capacity. If 22TB drives are materially cheaper or already qualified, the lower density can be rational. A buyer with spare bays often cares more about cost per protected terabyte than the largest possible drive.
The 22TB MG11 keeps the same conventional CMR posture as the 24TB model. That means the decision is mostly economics, interface, availability and fleet standardization.
The 22TB class has mature competition from Seagate Exos, WD Ultrastar and earlier Toshiba MG generations. That can put price pressure on the MG11 22TB and make it attractive even while 24TB sits at a newer-generation premium.
Use the live table to avoid assuming Toshiba is cheaper. Toshiba often competes well when stock exists, but the availability gap can be the real constraint.
In an 8-bay server, MG11 22TB gives 176TB raw. In 24 drives, it gives 528TB raw. Those are strong numbers for backups, media repositories and object nodes, but the 24TB model adds 16TB raw in 8 bays and 48TB raw in 24 drives.
If bays are scarce, that lost capacity may outweigh the discount. If bays are cheap, the 22TB price tier can be the better operational bargain.
Yes. Toshiba lists MG11 capacities including 22TB in the CMR MG11 family.
Verified public model families include MG11ACA22TE SATA variants and MG11SCA22TE SAS variants, with security and instant-erase suffixes.
Buy 22TB when it is clearly cheaper per protected TB or already qualified. Buy 24TB when bays are scarce or live price is close.
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.