Hardware Spec Index

Caldera SN-3638 Ultra 1TB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN3638-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index3,143 (SSDs scale)
Category rank#21,971
Street price$29
Power3 W (active)
Performance per dollar108.38
Released2020

Specifications

BrandCaldera
ModelCaldera SN-3638 Ultra
Capacity1 TB
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, 232-layer
CacheDRAM-less (SLC cache)
Endurance360 TBW (0.33 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-9742 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD14,900$579Compare
Altrix SN-9178 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD7,410$149Compare
Caldera SN-2998 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD5,078$59Compare
Novexa SN-2604 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD8,772$209Compare
Caldera SN-9442 Ti 500GB SATA 2.5-inch SSD3,631$29Compare
Strivon SN-3423 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD7,336$119Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3638 Ultra 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/5949652 (accessed 2026-10-20).