Toshiba AL15SEB24EP 2.4TB 10K SAS 12Gb/s 2.5" Enterprise HDD — 4Kn, 128MiB Buffer, Refurbished
Warranty: Lifetime
Toshiba AL15SEB24EP — the 4K-native (4Kn) version of Toshiba's 2.4TB 10K SAS drive. If you need 512-byte sector emulation, the AL15SEB24EQ is the 512e twin.
2.4TB · 10,500 rpm · SAS 12Gb/s · 2.5-inch, 15 mm · 128 MiB buffer · Refurbished
4Kn means 4,096-byte logical blocks. The host sees 4K sectors, not 512-byte sectors. Confirm your RAID controller, OS and hypervisor support 4K-native drives before you order.
Part number: AL15SEB24EP
Manufacturer: Toshiba
Series: AL15SEB Enterprise Performance HDD
Sector format: 4Kn (4K native)
Label on pictured unit: Cisco customer part number 58-100262-01
Condition: Refurbished
Use it to add or replace a 2.4TB 10K drive in a server or storage array with 12Gb/s SAS bays and a controller that handles 4K-native disks.
This part number is the bare Toshiba drive. Server trays and caddies are separate parts. Tell us your server model and we will confirm the tray.
Which One Do I Need?
| If you need | Part number |
|---|---|
| 2.4TB, 4Kn, standard | AL15SEB24EP — this listing |
| 2.4TB, 512e (512-byte emulation), standard | AL15SEB24EQ |
| 2.4TB, 4Kn, Sanitize Instant Erase (SIE) | AL15SEB24EPY |
| 2.4TB, 512e, SIE | AL15SEB24EQY |
| 2.4TB, 4Kn, self-encrypting (SED) | AL15SEQ24EP |
Toshiba sells the same 2.4TB drive in standard, SIE and SED versions. This listing is the standard version, with no SIE or SED option.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | AL15SEB24EP |
| Capacity | 2,400 GB formatted (1 GB = 109 bytes) |
| Form factor | 2.5-inch, 15 mm max height |
| Interface | SAS-3.0, 12.0 Gbit/s max, primary and secondary SAS ports |
| Rotation speed | 10,500 rpm |
| Average latency | 2.86 ms |
| Buffer | 128 MiB |
| Sustained transfer | 260.0 MiB/s |
| Logical block length | 4,096 / 4,160 / 4,224 bytes (4Kn) |
| Supply voltage | 12 V ±5% / 5 V ±5% |
| Power | 8.7 W read/write (200 I/O) · 5.1 W active idle |
| Acoustics | 31 dB typical (idle, sound power) |
| Operating temperature | 5 to 55 °C |
| Non-operating temperature | −40 to 70 °C |
| Shock | 100 G / 2 ms operating · 400 G / 2 ms non-operating |
| MTTF | 2,000,000 hours |
| Non-recoverable error rate | 10 errors per 1017 bits read |
| Load / unload | 600,000 cycles |
| Duty | 24 hours/day, 7 days/week |
| Dimensions | 70.10 x 100.45 x 15.00 mm max |
| Weight | 230 g max |
| Security | Standard, no SIE or SED |
| Condition | Refurbished |
| Warranty | Lifetime, backed by Resilient Tec |
Source: Toshiba AL15SEB Series product manual and AL15SE Series product page.
Note on Speed: 260 MiB/s or 273 MB/s?
Toshiba's product manual lists 260.0 MiB/s sustained. Toshiba Europe's datasheet lists 273 MB/s. It is the same figure in two units: 260 MiB is about 273 million bytes.
Note on Capacity
Toshiba counts 1 GB as 1,000,000,000 bytes. Operating systems that count in powers of 2 will show about 2.18 TiB for this 2.4TB drive. Nothing is missing.
Note on the Cisco Label
The pictured drive carries a Cisco label with customer part number 58-100262-01 over the Toshiba AL15SEB24EP model number. Ask us which label the unit in stock carries if your platform checks it.
Good to Know
- 4Kn and 512e are not interchangeable. Many RAID controllers want every member of an array to use the same sector size. Match the drives already in the array.
- Check 4Kn support first. Older controllers, boot environments and some hypervisors only support 512-byte or 512e drives.
- Bare drive. Order the tray for your server separately, or ask us to quote one with the drive.
- Photos show a representative unit. Serial numbers and barcodes are blurred.
Quick Checklist — Is This the Right Drive?
You need a 2.4TB 10K SAS 12Gb/s 2.5-inch drive. Your controller and OS support 4K native (4Kn) sectors. Your array does not need 512e drives. You have, or will order, the right tray for your server.
Availability
Refurbished and shipped from Resilient Tec in Knoxville, TN · Free standard shipping on US orders.
Filling a full chassis? Tell us how many drives and which server, and we will quote drives and trays together. Request a quote →
Warranty: lifetime, backed by Resilient Tec — not a manufacturer term. For drives, that means a replacement drive when we have one in stock, otherwise repair or an equivalent drive, from a named seller in the US.
You Might Also Need
- Dell 400-AVEZ 2.4TB 10K 12G SAS 2.5" HDD — 2.4TB 10K SAS for Dell PowerEdge
- HPE 881457-B21 2.4TB 10K SAS 12G 2.5" HDD — 2.4TB 10K SAS for HPE ProLiant
- Dell 400-ATJR 1.8TB 10K 12G SAS 2.5" HDD — the 1.8TB step down
- Product guides — servers, storage and the rest of the rack
Related Guides
Toshiba AL15SEB24EP — the 4K-native (4Kn) version of Toshiba's 2.4TB 10K SAS drive. If you need 512-byte sector emulation, the AL15SEB24EQ is the 512e twin.
2.4TB · 10,500 rpm · SAS 12Gb/s · 2.5-inch, 15 mm · 128 MiB buffer · Refurbished
4Kn means 4,096-byte logical blocks. The host sees 4K sectors, not 512-byte sectors. Confirm your RAID controller, OS and hypervisor support 4K-native drives before you order.
Part number: AL15SEB24EP
Manufacturer: Toshiba
Series: AL15SEB Enterprise Performance HDD
Sector format: 4Kn (4K native)
Label on pictured unit: Cisco customer part number 58-100262-01
Condition: Refurbished
Use it to add or replace a 2.4TB 10K drive in a server or storage array with 12Gb/s SAS bays and a controller that handles 4K-native disks.
This part number is the bare Toshiba drive. Server trays and caddies are separate parts. Tell us your server model and we will confirm the tray.
Which One Do I Need?
| If you need | Part number |
|---|---|
| 2.4TB, 4Kn, standard | AL15SEB24EP — this listing |
| 2.4TB, 512e (512-byte emulation), standard | AL15SEB24EQ |
| 2.4TB, 4Kn, Sanitize Instant Erase (SIE) | AL15SEB24EPY |
| 2.4TB, 512e, SIE | AL15SEB24EQY |
| 2.4TB, 4Kn, self-encrypting (SED) | AL15SEQ24EP |
Toshiba sells the same 2.4TB drive in standard, SIE and SED versions. This listing is the standard version, with no SIE or SED option.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | AL15SEB24EP |
| Capacity | 2,400 GB formatted (1 GB = 109 bytes) |
| Form factor | 2.5-inch, 15 mm max height |
| Interface | SAS-3.0, 12.0 Gbit/s max, primary and secondary SAS ports |
| Rotation speed | 10,500 rpm |
| Average latency | 2.86 ms |
| Buffer | 128 MiB |
| Sustained transfer | 260.0 MiB/s |
| Logical block length | 4,096 / 4,160 / 4,224 bytes (4Kn) |
| Supply voltage | 12 V ±5% / 5 V ±5% |
| Power | 8.7 W read/write (200 I/O) · 5.1 W active idle |
| Acoustics | 31 dB typical (idle, sound power) |
| Operating temperature | 5 to 55 °C |
| Non-operating temperature | −40 to 70 °C |
| Shock | 100 G / 2 ms operating · 400 G / 2 ms non-operating |
| MTTF | 2,000,000 hours |
| Non-recoverable error rate | 10 errors per 1017 bits read |
| Load / unload | 600,000 cycles |
| Duty | 24 hours/day, 7 days/week |
| Dimensions | 70.10 x 100.45 x 15.00 mm max |
| Weight | 230 g max |
| Security | Standard, no SIE or SED |
| Condition | Refurbished |
| Warranty | Lifetime, backed by Resilient Tec |
Source: Toshiba AL15SEB Series product manual and AL15SE Series product page.
Note on Speed: 260 MiB/s or 273 MB/s?
Toshiba's product manual lists 260.0 MiB/s sustained. Toshiba Europe's datasheet lists 273 MB/s. It is the same figure in two units: 260 MiB is about 273 million bytes.
Note on Capacity
Toshiba counts 1 GB as 1,000,000,000 bytes. Operating systems that count in powers of 2 will show about 2.18 TiB for this 2.4TB drive. Nothing is missing.
Note on the Cisco Label
The pictured drive carries a Cisco label with customer part number 58-100262-01 over the Toshiba AL15SEB24EP model number. Ask us which label the unit in stock carries if your platform checks it.
Good to Know
- 4Kn and 512e are not interchangeable. Many RAID controllers want every member of an array to use the same sector size. Match the drives already in the array.
- Check 4Kn support first. Older controllers, boot environments and some hypervisors only support 512-byte or 512e drives.
- Bare drive. Order the tray for your server separately, or ask us to quote one with the drive.
- Photos show a representative unit. Serial numbers and barcodes are blurred.
Quick Checklist — Is This the Right Drive?
You need a 2.4TB 10K SAS 12Gb/s 2.5-inch drive. Your controller and OS support 4K native (4Kn) sectors. Your array does not need 512e drives. You have, or will order, the right tray for your server.
Availability
Refurbished and shipped from Resilient Tec in Knoxville, TN · Free standard shipping on US orders.
Filling a full chassis? Tell us how many drives and which server, and we will quote drives and trays together. Request a quote →
Warranty: lifetime, backed by Resilient Tec — not a manufacturer term. For drives, that means a replacement drive when we have one in stock, otherwise repair or an equivalent drive, from a named seller in the US.
You Might Also Need
- Dell 400-AVEZ 2.4TB 10K 12G SAS 2.5" HDD — 2.4TB 10K SAS for Dell PowerEdge
- HPE 881457-B21 2.4TB 10K SAS 12G 2.5" HDD — 2.4TB 10K SAS for HPE ProLiant
- Dell 400-ATJR 1.8TB 10K 12G SAS 2.5" HDD — the 1.8TB step down
- Product guides — servers, storage and the rest of the rack