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Toshiba

Toshiba MG09 18TB

MG09SCA18TE
MG Series18TBSAS-12G3.5"
No current price
newNot available
Price updated
Price accurate as of Nov 14, 2026, 12:00 AM
No current offer

The Toshiba MG09 18TB is a 18TB SAS-12G HDD in new condition. It has no current offer on Amazon. The in-stock alternatives nearest its capacity are listed below.

In stock instead - nearest to 18TB

6 in-stock listings · this listing has no current offer on Amazon · ranked by live cost per tb, refreshed about once a day

DriveCapacityInterfaceRecordingCondition$/TBPrice
Seagate Exos X16 16TB
ST16000NM001G
16TBSATA-6GCMRREFURB$30.62$490Buy on Amazon
WD Ultrastar 20TB SATA WUH722020ALE604
WUH722020ALE604
20TBSATA-6G—REFURB$31.50$630Buy on Amazon
MDD 20TB SATA 7200RPM NAS
MD20TSATA25672NAS
20TBSATA-6G—REFURB$32.50$650Buy on Amazon
MDD 20TB SATA 7200RPM NAS
MD20TS25672NAS
20TBSATA-6G—NEW$32.50$650Buy on Amazon
Seagate ST20000NM002D
Seagate Exos X20 ST20000NM002D 512E/4KN SAS 12Gb/s 20TB 7200RPM 256MB Enterprise Hard Drive (Renewed)
20TBSAS—REFURB$32.95$659Buy on Amazon
Seagate SkyHawk AI 16TB ST16000VE000
ST16000VE000
16TBSATA-6G—REFURB$33.12$530Buy on Amazon

Where this listing sits: every 18TB hard drive · 18TB SAS drives · Toshiba 18TB SAS — each page is the live ranking for that slice of the catalogue.

Part number: MG09SCA18TE — decoded, with sibling variants and the warranty check.

Before you buy: this is a SAS drive

SAS drives do not plug into a normal SATA motherboard port. You need a SAS host bus adapter or a backplane that speaks SAS - an LSI/Broadcom HBA in IT mode is the usual answer. A SATA drive will run on a SAS controller, but not the other way round. HBA and IT-mode guide

Same capacity, other options
DriveInterfaceCond$/TBPrice
MDD 18TB SATA 7200RPM NASSATA-6GRefurb$30.00$539.99Buy on Amazon
WD Gold 18TBSATA-6GRefurb$31.06$559.00Buy on Amazon
WD Gold 18TBSATA-6GRefurb$31.06$559.00Buy on Amazon
WD Ultrastar 18TB SATASATA-6GRefurb$33.33$599.99Buy on Amazon

All 18TB drives we track, ranked by cost per terabyte.

Model context

CMR or SMR? What we can and cannot source for this part number

Part of the Toshiba line we track.

Quick Verdict

The Toshiba MG09 18TB is a 18TB SAS-12G enterprise drive - Verify recording technology before use in RAID. New unit with full 5-year warranty.

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Specifications

Capacity18TB
Form Factor3.5"
InterfaceSAS-12G
Recording Tech—
RPM7200
Cache—
Sector Size—
Workload Rating—
Warranty5 years
ASINB09Q956NQD
Market context

We do not have enough in-stock comparators of this type today to place this price against the rest of the market. The category page below ranks everything we do have.

Where the wider market has moved

These are third-party figures about the retail market as a whole, quoted and dated. They are not our own measurements and they do not describe this specific drive.

Compare against every 18TB drive we track →Cheapest per terabyte, all categories →Category price trends →

Works in these NAS machines

Asustor (1 NAS series)
Vendor-listed
On Asustor's list as MG09 MG09SCA18TE

Resolved against manufacturer compatibility lists we read and dated, capped at 4. Vendor-listed means the manufacturer names this exact part number; fit-verified is our own check of form factor, interface and recording technology against a published requirement. Neither is a guess, and a drive the registry cannot resolve shows nothing here rather than a maybe. How compatibility actually works

Also appears in

SAS hard drives

Frequently Asked Questions

Not right now: Amazon shows no current offer for ASIN B09Q956NQD. The in-stock alternatives nearest its 18TB capacity are on this page, ranked by live price.

This listing (MG09SCA18TE, ASIN B09Q956NQD) carries no renewed, recertified, refurbished or pulled claim in its title, and Amazon reports it as new. On this site that is what "new" means: sold as factory-new. The stored warranty on this row is 5 years, as the listing states it.

Use Case Scenarios

🏠
Home & SMB NAS
Building a high-capacity NAS for media, backups and file sharing.
✓ Excellent fit
Verify CMR recording before using in RAID. New drives come with full warranty.
💾
Backup Server / Veeam Target
Dedicated backup storage for Veeam, Commvault, or NetBackup.
✓ Excellent fit
18TB SAS drives are ideal for backup targets. Dual-port SAS suits dual-path backup infrastructure.
☁️
Object Storage / Cold Data Tier
High-density storage for MinIO, Ceph or Hadoop at scale.
✓ Excellent fit
At 18TB per drive, a 60-bay JBOD delivers 1080TB raw — enough for petabyte-scale object storage.

Maintenance & Troubleshooting

Maintenance Checklist

On installCheck SMART baseline on arrival
Run smartctl -a /dev/sdX and record: Reallocated_Sector_Ct, Power_On_Hours, Spin_Retry_Count. Establishes baseline for future comparison.
MonthlyRun SMART short self-test
smartctl -t short /dev/sdX — takes 1-2 minutes, catches most developing issues. Schedule during off-peak.
QuarterlyRun SMART long self-test
smartctl -t long /dev/sdX — full surface scan, takes 9 hours for 18TB. Any test failure is grounds for immediate replacement.
QuarterlyCheck RAID array health
Verify no degraded drives. A degraded array with no hot spare is one failure from data loss. Check mdstat or controller UI.
AnnuallyVerify drive firmware version
Check Toshiba support site for firmware updates. Some versions have known bugs affecting integrity.
Every 3-5 yearsPlan proactive replacement
Enterprise HDDs have higher failure rates after year 4-5. At 18TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: HBA not initialized, SAS expander issue, cable fault, or incompatible controller.
Fix: Verify HBA firmware. Check SAS topology with sas2ircu or StorCLI. Test with known-good cable. Confirm drive is SAS not SATA.