Toshiba MG11 SATA versus SAS is an interface decision, not a claim that one drive has faster media. The rotating platform, capacity class and CMR recording are shared; the host path, redundancy model and backplane decide which interface belongs in the system.
A SATA MG11 is enough for many single-host storage nodes. SAS is justified when the enclosure, controllers and operations model use SAS features such as dual-port paths and multipath redundancy.
Choose MG11 SATA for single-host servers, SATA-capable NAS systems and cost-sensitive builds where dual-port SAS is not required. Choose MG11 SAS for enterprise shelves, dual-controller storage and multipath designs. SAS does not make the disk media mechanically faster by itself.
Use this as the procurement-level screen before looking at live price rows.
| Decision point | MG11 SATA | MG11 SAS |
|---|---|---|
| Interface | SATA 6Gb/s | SAS 12Gb/s |
| Example 24TB family | MG11ACA24TE | MG11SCA24TE |
| Recording | CMR | CMR |
| Media speed | Same 7200 RPM class | Same 7200 RPM class |
| Dual-port capability | No | Yes where the shelf/controller supports it |
| Best use | Single-host nodes, many NAS systems, cost-sensitive storage | Enterprise shelves, multipath, dual-controller designs |
| Main limitation | No SAS multipath behavior | Requires SAS HBA/backplane and can cost more |
| Homelab fit | Usually easier | Only if the HBA and backplane are SAS-capable |
This shows the capacity delta only. The financial answer comes from the live $/TB rows on the page.
| Drive count | MG11 SATA raw | MG11 SAS raw | Raw delta |
|---|---|---|---|
| 4 bays | 96TB | 96TB | 0TB |
| 6 bays | 144TB | 144TB | 0TB |
| 8 bays | 192TB | 192TB | 0TB |
| 12 bays | 288TB | 288TB | 0TB |
No exact in-stock live row is currently matched for MG11ACA24TE / MG11SCA24TE. Relevant live alternatives are shown so the page does not collapse into an empty catalogue.
Live prices · updated every 4-5 hours · last checked 25 min ago · one side may be unavailable in exact 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. | |||||
SATA is enough when a single server owns the disks and the HBA/backplane supports SATA drives correctly. Many backup servers, TrueNAS boxes, object-storage nodes and direct-attach JBOD builds fit this model.
The media is not slower because it is SATA in ordinary sequential hard-drive workloads. The disk's mechanical limits are far below the headline interface speed.
SAS is justified when the system architecture uses SAS features: dual-port drive access, multipath, redundant controllers, enterprise shelves and monitoring paths designed around SAS. In those systems, buying SATA can remove redundancy the platform expects.
SAS also requires the right HBA and backplane. A SAS drive does not work in a SATA-only bay, while many SAS controllers can operate SATA drives with feature limitations.
For TrueNAS, the right answer is the interface the controller and chassis handle cleanly. SATA MG11 is often simpler for direct-attach systems. SAS can be excellent in used enterprise shelves if the cabling, HBA mode and multipath assumptions are understood.
Do not pay a SAS premium unless the system can use it. Conversely, do not force SATA into a dual-controller enterprise shelf designed for SAS redundancy.
Not in the sense of making the spinning media faster. SAS changes the host interface and enterprise pathing features.
No. A SAS drive requires a SAS-capable controller and backplane.
SATA is usually easier unless the homelab uses a SAS HBA/backplane and the buyer understands the cabling and controller mode.
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.