Hardware Spec Index

Novexa SN-4638 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN4638-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index7,268 (SSDs scale)
Category rank#2,024
Street price$129
Power5 W (active)
Performance per dollar56.34
Released2019

Specifications

BrandNovexa
ModelNovexa SN-4638 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,400 MB/s
Sequential write1,800 MB/s
Random 4K read550K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance600 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
Novexa SN-8685 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD12,529$409Compare
Novexa SN-5040 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD12,906$499Compare
Altrix SN-9303 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD5,761$79Compare
Caldera SN-4288 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD12,360$409Compare
Altrix SN-5415 Prime 500GB SATA 2.5-inch SSD4,458$49Compare
Altrix SN-8799 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD5,654$59Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-4638 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7070184 (accessed 2026-10-19).