Hardware Spec Index

Novexa SN-4638 XT 500GB SATA 2.5-inch SSD

SSDs · Novexa · SKU SN4638-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index3,447 (SSDs scale)
Category rank#48,048
Street price$39
Power3 W (active)
Performance per dollar88.38
Released2025

Specifications

BrandNovexa
ModelNovexa SN-4638 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, 176-layer
CacheDRAM-less (SLC cache)
Endurance120 TBW (0.22 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
Novexa SN-3163 Edge 1TB PCIe 3.0 NVMe M.2 2280 SSD7,785$169Compare
Novexa SN-6507 Ultra 1TB SATA 2.5-inch SSD3,800$29Compare
Strivon SN-2880 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD8,523$169Compare
Strivon SN-1342 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD8,715$169Compare
Caldera SN-9435 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD13,040$539Compare
Strivon SN-5720 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD6,363$89Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-4638 XT 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/4834828 (accessed 2026-10-21).