Hardware Spec Index

Novexa SN-4456 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4456-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index7,899 (SSDs scale)
Category rank#24,987
Street price$149
Power7 W (active)
Performance per dollar53.01
Released2022

Specifications

BrandNovexa
ModelNovexa SN-4456 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write6,600 MB/s
Random 4K read1,210K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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
Strivon SN-1842 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD5,258$69Compare
Strivon SN-4957 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD8,205$189Compare
Strivon SN-6601 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD14,121$559Compare
Caldera SN-8407 Prime 2TB PCIe 3.0 NVMe M.2 2280 SSD11,489$349Compare
Caldera SN-6323 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD8,951$219Compare
Altrix SN-8826 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD11,620$349Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-4456 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/84898151 (accessed 2026-10-24).