Toshiba MG Series Enterprise 18TB 7200RPM 3.5″ HDD
R14,079.00 inc. VAT
The Toshiba MG09ACA18TE is a 3.5″ enterprise-class hard drive delivering 18TB of storage at 7200 RPM with a 256MB cache and SATA 6Gb/s interface in 512e sector format. Built on Toshiba’s MG09 generation helium-sealed MAMR platform, it delivers maximum capacity in the standard 3.5″ 1.0″ form factor with 2,500,000 hours MTBF, a 550TB/year workload rating, and 24/7 availability. The 512e sector format ensures broad compatibility across both legacy and modern server and NAS infrastructure.
In stock
Description
MAMR Technology — Maximum Capacity on a Proven Platform
The MG09ACA18TE sits at the top of the MG09 SATA lineup, delivering 18TB through Toshiba’s MAMR (Microwave Assisted Magnetic Recording) platform. MAMR uses microwave energy to temporarily reduce recording medium coercivity during write operations, enabling higher platter density while preserving the conventional CMR write behaviour that enterprise RAID and NAS deployments rely on for consistent, predictable random write performance. The result is 18TB of enterprise-grade storage without the SMR compromises that plague consumer high-capacity alternatives.
Helium Sealed Design
The MG09ACA18TE is helium-sealed, reducing aerodynamic drag on the drive’s platters for lower operating temperatures, quieter operation, and improved power efficiency per terabyte. At enterprise densities, helium sealing is no longer a premium feature — it is a prerequisite for achieving this level of storage in a standard 3.5″ chassis without thermal or acoustic penalties.
512e Sector Format — Broad System Compatibility
The MG09ACA18TE uses 512e (512-byte emulation) sector format, presenting 512-byte logical sectors to the host while using 4,096-byte physical sectors internally. This ensures compatibility with legacy BIOS systems, older RAID controllers, and all modern OS environments without specialist configuration — making it the most deployment-friendly option at the 18TB tier for mixed-age server infrastructure.
Persistent Write Cache & Vibration Control
MG Series drives include Persistent Write Cache technology, ensuring write-cached data is not lost in the event of a power interruption — a critical safeguard for RAID arrays and always-on server deployments. Rotational Vibration (RV) sensors actively compensate for vibration from neighbouring drives in dense enclosures, maintaining consistent read/write tracking accuracy regardless of array population.
Key Highlights
- 18TB — the highest capacity SATA model in the MG09 lineup
- Enterprise CMR with MAMR recording — high areal density without SMR compromises
- Helium sealed design for cool, efficient, high-density operation
- ~281 MB/s sustained transfer rate
- 256MB cache for strong mixed-workload responsiveness
- 512e sector format — broadly compatible with legacy and modern systems
- SATA 6Gb/s — no SAS HBA required
- 2,500,000 hour MTTF and 0.35% AFR
- Persistent Write Cache for data integrity in power interruption events
- Rotational Vibration (RV) sensors for stable multi-drive performance
- 550TB/year workload rating — 24/7 enterprise duty cycle
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Additional information
| Model | MG09ACA18TE |
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