Hardware Spec Index

Caldera SN-8691 Ultra 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN8691-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index3,374 (SSDs scale)
Category rank#46,118
Street price$39
Power3 W (active)
Performance per dollar86.51
Released2023

Specifications

BrandCaldera
ModelCaldera SN-8691 Ultra
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, 238-layer
CacheDRAM-less (SLC cache)
Endurance180 TBW (0.33 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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
Caldera SN-1057 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD7,934$149Compare
Mirenta SN-1427 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD6,509$89Compare
Altrix SN-2853 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD7,939$169Compare
Strivon SN-5227 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD7,313$119Compare
Mirenta SN-8413 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD9,977$259Compare
Caldera SN-7709 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD13,517$489Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8691 Ultra 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/1473130 (accessed 2026-10-24).