Samsung PM1745 (PCIe Gen 5 Enterprise NVMe・2024年)（サムスンピーエム1745）

概要

Samsung PM1745 は、2024年にSamsung Electronics (Suwon Korea本社・1969年Lee Byung-chul (今Samsung Group創業 patriarch) 創業・World Electronics Conglomerate最大手・累計売上$200B+/year・World DRAM Number 1 share (44% market share 2024年Q4) + World NAND Number 1 share (33% market share 2024年Q4) + World Memory chip dominant brand) が発表したEnterprise NVMe SSD現行Mixed-use General-purpose tier機種。PCIe Gen 5 x4 + 14,800 MB/s Sequential Read (Enterprise NVMe Gen 5 Industry-leading sequential read・Micron 9550 14,000 MB/s / Kioxia CM7-R 14,000 MB/s vs +800 MB/s優位) / 8,000 MB/s Sequential Write + 2,500,000 IOPS Random Read + Samsung V-NAND 8th-generation (V8・236-layer TLC・Samsung V8 NAND Industry-leading layer count・SK Hynix 238-layer/Micron 232-layer/Kioxia BiCS 218-layer vs Samsung 236-layer V8) + 1.6TB / 3.84TB / 7.68TB / 15.36TB capacity options + U.2 (2.5" 15mm) / E1.S (EDSFF) / E3.S (EDSFF Premium) Multi form factor + Mixed-use 3 DWPD optimized (Read-intensive 1 DWPD variant separate・General-purpose Mixed-use focus)・$0.15-$0.20/GB Hyperscale tier・Samsung V-NAND Industry-leading + Samsung Memory dominant brand heritage の Enterprise NVMe General-purpose tier。

主な特徴・仕組み

• Interface: PCIe Gen 5 x4 (32 GT/s lane × 4 = 128 GT/s total bidirectional)
• NAND: V-NAND 8th-generation (V8・236-layer TLC・Samsung Industry-leading layer count)
• Sequential Read: 14,800 MB/s (Enterprise NVMe Gen 5 Industry-leading)
• Sequential Write: 8,000 MB/s
• Random Read: 2,500,000 IOPS (2.5M IOPS)
• Random Write: 500,000 IOPS
• Capacity Options: 1.6TB / 3.84TB / 7.68TB / 15.36TB
• Endurance: 3 DWPD (Mixed-use optimized・Read-intensive 1 DWPD variant separate)
• Form Factor: U.2 (2.5" 15mm) + E1.S (EDSFF) + E3.S (EDSFF Premium)
• Power: 12-22W TDP
• Encryption: AES-256 (FIPS 140-3 Level 2 + TCG OPAL 2.0)
• MTBF: 2,500,000 hours
• Workload: Hyperscaler / Cloud / Database OLTP / Mixed read-write Enterprise applications
• Price: $0.15-$0.20/GB (Hyperscale tier)

スペック比較表

具体例・対応製品

• Samsung PM1745 1.6TB / 3.84TB / 7.68TB / 15.36TB: 4 capacity options
• Samsung PM1735 (前世代・PCIe Gen 4): PCIe Gen 4 + V7 176-layer・PM1745 successor (Gen 4 → Gen 5 upgrade)
• Samsung PM1763 (Hyperscale Top-tier・2024年Q4予定): PCIe Gen 5 + V8 + Higher performance + 30.72TB Larger capacity
• Samsung 990 PRO (Consumer): $0.10-$0.13/GB・Consumer PCIe Gen 4 (Samsung V7) + Mid-Performance tier
• 競合 Micron 9550: $0.15-$0.20/GB・Higher write performance + Higher IOPS + 30.72TB Larger capacity

自作PCでの選び方・注意点

Samsung PM1745 は「Hyperscaler / Cloud / Enterprise General-purpose Mixed-use workload (Database OLTP / Mixed read-write)」「Sequential Read Performance最優先 (Industry-leading 14,800 MB/s・Micron 9550 / Kioxia CM7-R vs +800 MB/s)」「Samsung Memory dominant brand preference (V-NAND Industry-leading layer count + Samsung NAND Number 1 share)」用途のEnterprise NVMe Mixed-use tier。Consumer / 自作PC範囲外・Server / Storage Array deployment専用・Samsung V8 NAND (236-layer・SK Hynix 238-layer/Micron 232-layer/Kioxia BiCS 218-layer vs Samsung 236-layer V8 = Industry-leading layer count) で 高Storage density + Sequential Read Industry-leading 14,800 MB/s + Mixed-use 3 DWPD General-purpose orientation で Customer Workload diverse compatibility。Micron 9550 ($0.15-$0.20/GB・Higher write 10,000 MB/s + Higher IOPS 3.3M) との 競合関係で Sequential Read重視 → PM1745 / Write performance重視 → Micron 9550・Customer workload依存 (Read-heavy = PM1745 / Write-heavy = Micron 9550)・Form factor multi-support (U.2 + E1.S + E3.S) で Customer Server configuration flexibility・Samsung Memory dominant brand legacy + Korean Champion brand preference (Korean Hyperscaler LG AI Research / SK Telecom / KT等) でPremium positioning。

関連用語との違い

• vs Micron 9550: SamsungはRead 14,800 MB/s + V8 236-layer・MicronはWrite 10,000 MB/s + 232-layer + Higher IOPS 3.3M
• vs Kioxia CM7-R: SamsungはMixed-use 3 DWPD + V8 236-layer・KioxiaはRead-intensive 1 DWPD + BiCS 8th 218-layer
• vs Samsung PM1735 (前世代): PM1745はPCIe Gen 5 + V8 236-layer・PM1735はPCIe Gen 4 + V7 176-layer・Major generation upgrade

よくある質問（FAQ）

Q1: V-NAND 8th-generation (V8) の意義は？ A: Samsung独自V-NAND technology (3D NAND brand name・Vertical layer stacking) 8th-generation = 236-layer TLC NAND・Samsung 2002年V-NAND Industry-first commercial production以来 22年・V8 (236-layer) は SK Hynix 238-layer / Micron 232-layer / Kioxia BiCS 218-layer のIndustry-leading layer count race中で Top position・Storage density最大化 + Cost reduction per GB.

Q2: Sequential Read 14,800 MB/s Industry-leading 価値は？ A: PCIe Gen 5 x4 theoretical maximum = 16 GB/s (16,000 MB/s) でPM1745 14,800 MB/s = 92.5% theoretical maximum達成 (Micron 9550 87.5% / Kioxia CM7-R 87.5% vs +5%効率優位)・Customer Workload Read-heavy use case (Database read replicas / Analytics / Web servers / Video on Demand) で実体感advantage・Mixed-use Workload全体的throughput向上。

Q3: Samsung Memory Number 1 share の影響は？ A: World DRAM 44% + NAND 33% market share = Samsung Memory dominant brand position・Long-term capital availability + Customer Strategic relationship + R&D budget最大級 (Annual $20B+ Memory R&D) + 製造Scale最大級 (Multi-fab 6+ wafer fabs)。Brand preference + Long-term supply commitment value for Enterprise customer。

まとめ

Samsung PM1745 = 2024年Samsung発表のEnterprise NVMe PCIe Gen 5 SSD。V-NAND 8th-generation (V8) 236-layer Industry-leading + 14,800 MB/s Read Industry-leading + 2.5M IOPS + Mixed-use 3 DWPD + $0.15-$0.20/GB・Samsung Memory Number 1 brand + V-NAND Industry-leading layer countのGeneral-purpose Hyperscaler Enterprise NVMe。