We independently review PC hardware. Purchases made through our links may earn us a commission. Learn more ›

Hard Drives

Explore hard drives guides, comparisons and buying advice. Compare compatibility, features and practical trade-offs for your PC setup.

1+ Review

Updated daily

Why Does My Hard Drive Show Less Capacity Explained

Why Does My Hard Drive Show Less Capacity Explained

Learn why a hard drive shows less usable capacity in your operating system than the retail box claims, focusing on binary measurement, hidden partitions, and file system overhead.

Thomas V. Salinas Oct 2, 2026

Top Pick Best PC Case for Multiple Hard Drives: Buying Guide Compare storage-focused PC cases for NAS, servers, gaming, and workstations. Check drive bays, airflow, clearance, hot-swap… Read the guide Top Pick Best 8TB NAS Hard Drive Picks Compare top 8TB NAS hard drives. Review CMR recording, rotational vibration sensors, 7200 RPM performance, and… Read the guide Top Pick Best Quiet NAS Hard Drive for Home Find best quiet NAS hard drive for home storage. Compare 5400 RPM vs 7200 RPM noise… Read the guide Top Pick Best 12TB NAS Hard Drive Picks Compare top 12TB NAS hard drives. Review Western Digital WD Red Plus, Seagate Exos, and MDD… Read the guide

Top-ranked in Best PC Case for Multiple Hard Drives: Buying Guide

#1 in this guide

DARKROCK Classico Storage Master ATX NAS PC 9.6/10 Editorial Score Check price on Amazon

#2 in this guide

JONSBO N6 NAS PC Case 9.8/10 Editorial Score Check price on Amazon

#3 in this guide

JONSBO N5 NAS PC Case 9.6/10 Editorial Score Check price on Amazon

#4 in this guide

SilverStone SETA D1 Mid-Tower ATX PC Case 9.6/10 Editorial Score Check price on Amazon

Read the full guide and buying criteria