Hardware Spec Index

Novexa SN-4556 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4556-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index10,810 (SSDs scale)
Category rank#37,784
Street price$299
Power7 W (active)
Performance per dollar36.15
Released2023

Specifications

BrandNovexa
ModelNovexa SN-4556 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write6,400 MB/s
Random 4K read970K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-4424 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD11,888$439Compare
Novexa SN-5921 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD8,788$189Compare
Mirenta SN-5470 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD8,022$169Compare
Caldera SN-6824 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD14,033$569Compare
Altrix SN-4446 Max 500GB SATA 2.5-inch SSD4,132$39Compare
Caldera SN-3382 Max 1TB SATA 2.5-inch SSD3,706$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-4556 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/797701 (accessed 2026-10-20).