Hardware Spec Index

Caldera SN-1903 Prime 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN1903-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index4,561 (SSDs scale)
Category rank#28,764
Street price$39
Power3 W (active)
Performance per dollar116.95
Released2019

Specifications

BrandCaldera
ModelCaldera SN-1903 Prime
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 TLC, 176-layer
CacheDRAM-less (SLC cache)
Endurance300 TBW (0.55 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-3105 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD11,058$309Compare
Novexa SN-5977 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD10,790$249Compare
Mirenta SN-3778 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD9,720$289Compare
Altrix SN-2044 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD11,241$299Compare
Altrix SN-2066 Prime 2TB PCIe 3.0 NVMe M.2 2280 SSD10,943$279Compare
Novexa SN-3570 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD5,776$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1903 Prime 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/62541 (accessed 2026-10-19).