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8GB Memory for Lenovo ThinkSystem ST550 DDR4 2666MHz ECC RDIMM RAM

Lenovo ST550

$79.99Free shipping (to US)
Fit 37Value 50
View on eBay →

US · First seen 1 hour ago · Checked 1 hour ago

100% · 51k

Price historyLenovo ST550 · sold & asking medians from the daily index

Jun 10: $1,591.16 (10 askings)Jun 11: $1,685.15 (9 askings)Jun 12: $1,691.43 (9 askings)Jun 13: $1,691.43 (9 askings)Jun 14: $1,689.97 (9 askings)Jun 15: $1,689.97 (9 askings)Jun 16: $919.48 (11 askings)Jun 17: $919.48 (11 askings)Jun 18: $918.83 (11 askings)Jun 19: $1,695.81 (13 askings)Jun 20: $1,695.81 (11 askings)Jun 21: $2,390.00 (13 askings)Jun 22: $2,042.90 (12 askings)Jun 23: $2,042.90 (12 askings)Jun 24: $2,390.00 (13 askings)Jun 25: $2,397.22 (16 askings)Jun 26: $2,404.43 (17 askings)Jun 27: $2,461.74 (18 askings)Jun 28: $2,461.74 (18 askings)Jun 29: $2,457.01 (16 askings)Jun 30: $2,394.97 (13 askings)Jul 1: $2,398.96 (14 askings)Jul 2: $2,402.96 (15 askings)Jul 3: $2,461.00 (14 askings)Jun 10: $253.20 (1 sold comp)Jul 2: $255.85 (3 sold comps)Jul 3: $353.78 (1 sold comp)
2026-06-10$253.20–$353.78 · sold median2026-07-03

Dot size reflects how many listings back each day (1–3 sold comps per point). Hover for details.

Full price history, specs & configurations

Comparable sold · last 90 days

Too few sold listings match this exact config, so the deal score above prices in this CPU and RAM directly.

All configs (barebones to loaded) · 4 sold

Median $247.56 · typical range $219.22–$280.33

Sold prices are the basis for the deal score. Asking prices typically run above what listings actually close at.

Installed Hardware

We couldn't read this listing's full configuration (CPU not detected). Check the eBay listing for complete specs.

RAM
8 GB / 3072 GB max
Condition
Open box

Upgrade Headroom

RAM121008 GB → up to 3,072 GB · 24 DIMM slots
CPU2-socket platform

Platform: Lenovo ST550 (Skylake/Cascade Lake (Xeon Scalable Gen1/Gen2))

Form factor
tower
CPU socket
LGA3647 × 2
RAM max
3072 GB DDR4 · RDIMM, LRDIMM, 3DS RDIMM
DIMM slots
24 (RDIMM, LRDIMM, 3DS RDIMM)
Noise tier
5/5, Datacenter-only (>65 dB)
Idle power
85W · ~$89/yr · ~$268/3yr to run (idle @ )
PCIe
Gen 3 · 7 slots
Management
XClarity Controller (XCC)
Max PSU
1100W
Released
2017

Fit Breakdown (Balanced lens)

Cores
50
RAM
12
Storage
50
Deal:No estimate available

Fit = suits your use case · Value = fit per dollar · Deal = price vs typical market.

Outlook · Late life, Near the price floor. Weigh idle power draw and parts availability.

Price context

At $79.99, this listing is — no sold comps yet —, and 97% below the typical asking price (~$2,402.96 across 15 live ST550 listings). Sold = what it's worth; asking = what sellers want now (usually higher).

How we estimate the value (~$10.40 of parts)
RAM 8GB DDR4$10.40
Estimated component value$10.40

Summed from used-market component prices (13% of the $79.99 asking price). A rough build-up, not the whole-unit sold price; (est.) marks an inferred part.