SanDisk

SanDisk Extreme 256GB microSD

Name: SanDisk Extreme 256GB microSD
Brand: SanDisk
SKU: Extreme 256GB
Price: 66.60 USD
Availability: InStock

Extreme 256GB

Extreme0.25TBUHS-ImicroSD

$266.40/TB

$66.60

newIn Stock

Price updated 6 hours ago

Price accurate as of Oct 1, 2026, 12:00 AM

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The SanDisk Extreme 256GB microSD is a 0.25TB UHS-I MicroSD in new condition. It is in stock at $66.60 - $266.40/TB.

Same capacity, other options

Drive	Interface	Cond	$/TB	Price
Silicon Power 256GB microSD	UHS-I	New	$159.88	$39.97	Buy
SanDisk Ultra 256GB microSD	UHS-I	Refurb	$175.96	$43.99	Buy
PNY 256GB microSD	UHS-I	Refurb	$181.96	$45.49	Buy
SanDisk 256GB microSD	UHS-I	Refurb	$191.96	$47.99	Buy

Model context

Part of the SanDisk line we track.

Quick Verdict

The SanDisk Extreme 256GB microSD is a 0.25TB UHS-I enterprise drive at $266.40/TB - Verify recording technology before use in RAID. New unit with full manufacturer warranty.

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Specifications

Capacity0.25TB

Form FactormicroSD

InterfaceUHS-I

Recording TechUHS-I

Sector Size—

Workload Rating1TB/yr

Warranty—

ASINB09X7CRKRZ

Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 86% of them (92 of 107). The cheapest we can currently buy is $153.00/TB; the middle of the market is $265.96/TB.

Compare against every 0.25TB drive we track →Cheapest per terabyte, all categories →

How it compares - 0.25TB UHS-I

#1Silicon Power 256GB microSD

$159.88/TB

#2Lexar 256GB microSD

Out of stock

#3SanDisk Ultra 256GB microSD

$175.96/TB

#4PNY 256GB microSD

$181.96/TB

#5SanDisk 256GB microSD

$191.96/TB

Compare to similar 0.25TB UHS-I drives

Frequently Asked Questions

This UHS-I cartridge requires a compatible UHS-I tape drive. UHS-I drives can also read the previous LTO generation.

BaFe (Barium Ferrite) tape media has an archival life of 30+ years when stored in controlled conditions (18-26°C, 20-50% humidity). Store tapes vertically and avoid magnetic fields.

Yes. LTO is an open standard. This cartridge works in any UHS-I-compatible standalone drive or automated tape library regardless of manufacturer.

Use Case Scenarios

🏠

Home & SMB NAS

Building a mid-range NAS for media, backups and file sharing.

~ Good 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

0.25TB SATA drives are ideal for backup targets. SATA gives maximum $/TB for backup repositories.

🏗️

Virtualization Host Storage

VM images and snapshots on Proxmox, VMware or Hyper-V.

~ Good fit

Suitable for VM storage where workloads are not IOPS-intensive. SATA is fine for single-host VM storage. Consider NVMe cache for latency-sensitive VMs.

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 0 hours for 0.25TB. 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 SanDisk 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 0.25TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: Loose SATA data or power cable, failed port, or drive not spinning up.

Fix: Reseat both cables. Try a different port. Listen for spin-up sound. Test with a known-good cable.