DatacenterDisk
SanDisk

SanDisk 512GB microSD

512GB
0.5TBSD ExpressmicroSD
$399.98/TB
$199.99
newIn Stock
Price updated
Price accurate as of Aug 17, 2026, 02:39 AM
Buy on Amazon →
Same capacity, other options
DriveInterfaceCond$/TBPrice
SanDisk Ultra 512GB microSDUHS-INew$139.98$69.99Buy
Samsung EVO Select 512GB microSDUHS-IRefurb$177.32$88.66Buy
PNY 512GB microSDUHS-INew$179.98$89.99Buy
Silicon Power 512GB microSDUHS-INew$189.94$94.97Buy
Model context

Part of the SanDisk line we track.

Quick Verdict

The SanDisk 512GB microSD is a 0.5TB SD Express enterprise drive at $399.98/TB - Verify recording technology before use in RAID. New unit with full manufacturer warranty.

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Specifications

Capacity0.5TB
Form FactormicroSD
InterfaceSD Express
Recording TechSD Express
Sector Size—
Workload Rating1TB/yr
Warranty—
ASINB0GRWN18WL
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 17% of them (20 of 118). The cheapest we can currently buy is $139.98/TB; the middle of the market is $273.34/TB.

Compare against every 0.5TB drive we track →Cheapest per terabyte, all categories →
How it compares - 0.5TB SD Express
#1PNY 512GB microSD
$202.38/TB
#2PNY 512GB microSD
$219.98/TB
#3Lexar PLAY 512GB microSD
$219.98/TB
#4SanDisk 512GB microSD
$221.84/TB
#5SanDisk 512GB microSD
$299.98/TB

Compare to similar 0.5TB SD Express drives

PNY
512GB microSD
$202.38/TB
$101.19
REFURB
PNY
512GB microSD
$219.98/TB
$109.99
new
Lexar
PLAY 512GB microSD
$219.98/TB
$109.99
new
SanDisk
512GB microSD
$221.84/TB
$110.92
REFURB
SanDisk
512GB microSD
$299.98/TB
$149.99
new

Frequently Asked Questions

This SD Express cartridge requires a compatible SD Express tape drive. SD Express 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 SD Express-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
0.5TB 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 0.5TB. 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 0.5TB 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.