% % %

The 4TB M.2 Drive That Turns a Single PCIe Slot Into a High-Speed Storage Volume

Your server has an empty PCIe slot. You do not need a GPU. You do not need another NIC. You need fast, local NVMe storage that does not consume a front-panel drive bay. The Samsung 990 PRO 4TB in an M.2-to-PCIe adapter card (Supermicro AOC-SLG3-2M2 or equivalent) 배달하다 7,450 MB/s sequential read and 1,600K random read IOPS from a single PCIe 3.0 x4 slot — enough throughput to saturate the adapter, enough capacity to host a dozen VMs on local storage.

기술 사양

매개변수	사양
용량	4결핵 (또한: 1결핵, 2결핵)
폼 팩터	M.2 2280 (80mm)
인터페이스	PCIe 4.0 x4, NVMe 2.0
낸드 종류	Samsung V-NAND V8 (236-layer 3D TLC)
제어 장치	Samsung Pascal (in-house, 8nm process, nickel-coated heat spreader)
DRAM Cache	4 GB LPDDR4 (1 GB per 1 TB of NAND)
순차적 읽기	까지 7,450 MB/s
순차적 쓰기	까지 6,900 MB/s
무작위 읽기 (4케이, QD32)	Up to 1,600K IOPS
무작위 쓰기 (4케이, QD32)	Up to 1,550K IOPS
지구력	2,400 TBW (4결핵 모델), ~0.33 DWPD equivalent over 5 연령
MTBF	1,500,000 시간
힘 (게으른 / 평균 읽기 / 평균 쓰기 / 최대)	0.055승 / 5.5승 / 6.3승 / 7.8승
Thermal Throttling	Dynamic Thermal Guard — throttles at 82C. Nickel-coated controller spreads heat.
보안	AES-256 하드웨어 암호화, TCG 오팔 2.0, IEEE 1667, Microsoft eDrive
물리적	80.15 엑스 22.15 엑스 2.38 mm (M.2 2280), ~9g
온도	0섭씨 70도
보증	5-년 한정 (제조업체), 2,400 TBW limit

Consumer SSD in a Server? When It Makes Sense (and When It Does Not)

대본	990 PRO 4TB	엔터프라이즈 SSD (PM9A3 3.84TB)	Verdict
Read-heavy cache (90+ 읽은 비율, low write volume)	7,450 MB/s, 1,600K IOPS, $300	6,800 MB/s, 1,000K IOPS, $450	990 PRO wins on price-performance
Write-heavy logging (500 GB writes per day)	2,400 총 TBW: exhausted in ~13 years at 500 GB/day	14,016 TBW: exhausted in ~77 years	Enterprise SSD wins on endurance confidence
VMware boot volume (OS only, read-mostly)	4결핵, ~$75/TB. Overkill for boot but cheap enough.	3.84결핵, ~$117/TB	990 PRO wins on cost per TB
Production database (mixed read-write, 2 DWPD)	Not rated for 2 DWPD sustained. 0.33 DWPD catastrophic.	1 DWPD, enterprise data path protection	엔터프라이즈 SSD. Never deploy consumer in production DB.
Edge server, 2-drive limit, 비용에 민감한	4TB NVMe boot+data in one M.2 slot	U.2 requires NVMe backplane. M.2 enterprise options are more expensive.	990 PRO wins for edge cost sensitivity

호환성

M.2 2280 NVMe PCIe 4.0 x4. Requires M.2 slot or M.2-to-PCIe adapter. Compatible with Supermicro AOC-SLG3-2M2, ASUS Hyper M.2, and any M.2 NVMe-capable motherboard or adapter. Dell servers with M.2 slots: R470, R670, R770 support M.2 natively on specific motherboard revisions. Older Dell servers require adapter card.