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18.6.2026

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Stanislav Hubacek
2026-06-18 16:25:33 +02:00
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SERVER-HW.md
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@@ -230,6 +230,10 @@ Závěr: 8 DIMMů na CPU (1DPC) = nejvyšší výkon
| AI training (CPU preprocessing) | 2-4 GB/core | 128-512 GB | 8× 32-64 GB RDIMM, 1DPC |
| HPC | 1-2 GB/core | 64-128 GB | 8× 16 GB RDIMM, 1DPC, high-speed |
| In-memory DB (SAP HANA) | 8-32 GB/core | 1-6 TB+ | 16× 128-256 GB LRDIMM/3DS |
| Big Data — Spark worker | 4-8 GB/core | 128-512 GB | 8-16× 32-64 GB RDIMM, 1DPC, NVMe scratch |
| Big Data — Flink worker | 8-16 GB/core (vč. managed state) | 128-512 GB | 8-16× 32-64 GB RDIMM, 1DPC, RocksDB na NVMe |
| Big Data — Trino worker | 4-8 GB/core | 64-256 GB | 8× 16-32 GB RDIMM, 1DPC |
| Big Data — HDFS DataNode | 1-2 GB/core (metadata cache) | 64-256 GB | 8× 16-32 GB RDIMM, 1DPC, max storage density |
## PCIe
@@ -346,6 +350,49 @@ Detailní kapitola o síťové a storage konektivitě: [CONNECTIVITY.md](CONNECT
| **Use case** | SDS (Ceph, MinIO), ZFS | VMware VMFS, Windows, legacy |
| **Battery/Backup** | Není potřeba | Write-back cache vyžaduje BBU |
## Ceny (2026)
### CPU ceny (2026)
| CPU | Cores | TDP | 1ku cena | $/core |
|-----|-------|-----|----------|--------|
| AMD EPYC 9965 (Turin) | 192 | 500 W | ~$11 988 | $62 |
| AMD EPYC 9655 (Turin) | 96 | 400 W | ~$6 500 | $68 |
| AMD EPYC 9475F (Turin) | 48 | 360 W | ~$5 000 | $104 |
| Intel Xeon 6980P (Granite Rapids) | 128 | 500 W | ~$12 460 | $97 |
| Intel Xeon 6980P (Granite Rapids-AP) | 128 | 500 W | $13 955 | $109 |
| Intel Xeon 6767P (Granite Rapids) | 64 | 350 W | ~$7 000 | $109 |
Sources: AMD 1ku pricing, Intel RCP, Newegg verified.
### DDR5 RDIMM ceny (2026 — AI-driven price surge)
| Kapacita | Rychlost | Cena 2025 | Cena Q2 2026 | Změna |
|----------|---------|-----------|-------------|-------|
| 32 GB (2R×8) | DDR5-5600 | ~$95 | ~$400–550 | +400–500 % |
| 64 GB (2R×4) | DDR5-4800 | ~$180 | ~$700–900 | +400 % |
| 96 GB (2R×4) | DDR5-6400 | ~$300 | ~$1 200–1 600 | +400 % |
| 128 GB (2R×4) | DDR5-6400 | ~$450 | ~$1 800–2 500 | +450 % |
| 256 GB (LRDIMM) | DDR5-6400 | ~$900 | ~$4 000–5 000 | +450 % |
Trend: DDR5 ceny vzrostly ~400–500 % od mid-2025 kvůli AI-driven poptávce. Očekává se další růst v H2 2026. Zdroj: Counterpoint, TrendForce.
### NVMe SSD ceny (enterprise, 2026)
| Kapacita | Typ | Cena 2024 | Cena Q2 2026 | Změna |
|----------|-----|-----------|-------------|-------|
| 1.92 TB | NVMe U.3 (read-intensive) | ~$200 | ~$500–600 | +150 % |
| 3.84 TB | NVMe U.3 (mixed-use) | ~$400 | ~$1 000–1 200 | +150 % |
| 7.68 TB | NVMe U.3 (mixed-use) | ~$800 | ~$2 000–2 500 | +150 % |
| 15.36 TB | NVMe U.3 (mixed-use) | ~$1 500 | ~$4 000–5 000 | +170 % |
Trend: NAND flash ceny vzrostly ~100–200 % od 2025, průměrný enterprise SSD stojí 2–3× více. Zdroj: TrendForce, Xinnor.
### Celková cena serveru (příkladové konfigurace)
| Konfigurace | CPU | RAM | Disk | Odhad ceny |
|-------------|-----|-----|------|-----------|
| DB server (OLTP) | 2× EPYC 9655 (96C) | 1 TB DDR5 | 6× 1.92 TB NVMe | ~$45 000–60 000 |
| GPU server (AI) | 2× Xeon 6980P | 2 TB DDR5 | 4× 3.84 TB NVMe | ~$80 000–120 000 (bez GPU) |
| Hypervisor host | 2× EPYC 9475F (48C) | 512 GB DDR5 | 2× 1.92 TB NVMe + 4× 16 TB HDD | ~$25 000–35 000 |
| Storage server (Ceph) | 1× EPYC 9655 (96C) | 256 GB DDR5 | 24× 15.36 TB NVMe | ~$60 000–80 000 |
## Zdroje
Odkazy, knihy a standardy: [sources/infrastructure/sources.md](sources/infrastructure/sources.md)