Hardware Spec Index

Novexa HD-7991 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive

Hard Drives · Novexa · SKU HD7991-EDGE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index886 (Hard Drives scale)
Category rank#2,203
Street price$69
Power5 W
Performance per dollar12.84
Released2025

Specifications

BrandNovexa
ModelNovexa HD-7991 Edge
Capacity4 TB
ClassSurveillance
RecordingCMR (conventional magnetic recording)
Spindle speed5,400 RPM
Cache256 MB
InterfaceSATA 6 Gb/s
Sustained transfer180 MB/s
Workload rating180 TB/year
MTBF1 million hours
Helium-filledNo
Warranty2 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Mirenta HD-3559 Max 8TB 7,200 RPM CMR Surveillance Hard Drive1,291$99Compare
Mirenta HD-8686 Max 24TB 7,200 RPM CMR NAS Hard Drive3,084$599Compare
Mirenta HD-2685 XT 24TB 7,200 RPM CMR Enterprise Hard Drive2,798$449Compare
Novexa HD-1390 Edge 2TB 5,400 RPM CMR Surveillance Hard Drive973$79Compare
Mirenta HD-5494 Ti 6TB 5,400 RPM CMR NAS Hard Drive1,125$89Compare
Strivon HD-2088 Core 6TB 5,400 RPM CMR Surveillance Hard Drive1,350$139Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Novexa HD-7991 Edge 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/8960237 (accessed 2026-10-21).