Hardware Spec Index

Mirenta SN-9478 XT 500GB SATA 2.5-inch SSD

SSDs · Mirenta · SKU SN9478-XT · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index4,419 (SSDs scale)
Category rank#15,347
Street price$39
Power3 W (active)
Performance per dollar113.31
Released2020

Specifications

BrandMirenta
ModelMirenta SN-9478 XT
Capacity500 GB
Form factor2.5" SATA (7 mm)
InterfaceSATA 6 Gb/s (AHCI)
Sequential read550 MB/s
Sequential write520 MB/s
Random 4K read98K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (SLC cache)
Endurance100 TBW (0.18 DWPD)
Warranty3 years
HeatsinkNone

Related guides

SSD Endurance ExplainedDRAM vs DRAM-less SSDsNVMe SSDs ExplainedPCIe 4.0 vs PCIe 5.0M.2 SSD Sizes and Keys

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-7660 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD11,475$339Compare
Caldera SN-9698 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD12,660$469Compare
Mirenta SN-9829 SE 4TB PCIe 3.0 NVMe M.2 2280 SSD14,900$539Compare
Novexa SN-5440 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD6,337$99Compare
Mirenta SN-9493 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD4,909$49Compare
Altrix SN-7493 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD13,322$479Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Mirenta SN-9478 XT 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/17510497 (accessed 2026-10-19).