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The Drive You Buy When Your Backup Target Needs 200 TB of Raw Capacity and Your Budget Says NVMe Is Not Happening

Not every terabyte in your data center needs to respond in 80 마이크로초. Backups, archives, CCTV footage, log aggregation, and cold data tiers need capacity, 신뢰할 수 있음, and low cost per terabyte — not IOPS. The Seagate Exos 7E10 8TB is a 7,200 RPM SATA enterprise drive rated at 2.5 백만 시간의 MTBF 및 550 TB/year workload. It is the drive you deploy in pairs of twelve in a backup NAS, knowing that if one fails, the RAID 6 array rebuilds overnight and nobody gets paged at 3 AM.

기술 사양

매개변수	사양
용량	8결핵 (또한: 2결핵, 4결핵, 6결핵, 10TB in Exos 7E10 series)
폼 팩터	3.5-인치 LFF
인터페이스	SATA 6Gb/초
회전 속도	7,200 RPM
녹음 기술	CMR (기존 자기 녹음) — no SMR write penalty
캐시 버퍼	256 MB
지속적인 전송 속도	까지 255 MB/s
평균 지연 시간	4.16 MS
MTBF	2,500,000 시간
AFR	0.35% (디자인 대상)
워크로드 비율 제한	550 TB/년
URE 비율	1 10^15비트당 섹터
힘 (게으른 / 운영 중)	3.7승 / 5.0승
섹터 크기	512이자형 (512-byte emulation)
충격 (운영 중 / Non-Op)	70G / 300G
물리적	147.0 엑스 101.85 엑스 26.11 mm, 610g
온도	5섭씨 60도
보증	5-년 한정 (제조업체)

Why 8TB in a World of 24TB Drives

The market has moved to 20TB+ for primary storage, but 8TB remains the sweet spot for three deployment patterns. First: backup targets where the backup application writes sequentially at near-line-rate and capacity scales by adding drives, not by buying bigger drives. Second: RAID arrays where rebuild time scales with drive capacity — an 8TB RAID 6 rebuild completes in 8 시간; a 24TB rebuild takes 28. Third: mixed-age fleets where adding 24TB drives to an existing 8TB array wastes 16TB of capacity per drive until the last 8TB drive is replaced. The 8TB Exos 7E10 keeps your array balanced without the capacity overhead penalty.

Three Deployments Where the Exos 7E10 Is the Right Drive

1. Backup NAS (RAID 6, 12 드라이브). 12x 8TB = 80 사용 가능한 TB (RAID 6). Sequential write from Veeam or Commvault at 200-250 MB/s per drive. Rebuild time: ~8 hours. Cold spare on-site. Total drive cost: under $2,000. This is the backup target for a 50-VM environment that fits in the overnight backup window.

2. CCTV NVR Storage (RAID 5, 8 드라이브). 8x 8TB = 56 사용 가능한 TB (RAID 5, acceptable for sequential write, read-mostly workload). 30 days of retention for 32 cameras at 4K 15fps. 순차적 쓰기, never random. Rebuild risk: low (RAID 5 on 8TB drives is less risky than RAID 5 on 24TB due to shorter rebuild time).

3. Log Aggregation (JBOOD, 4 drives per Elasticsearch data node). 4x 8TB = 32 TB raw per node. Elasticsearch manages redundancy at the software level. Drive failure replaces one shard replica. No RAID overhead. Low cost per terabyte maximizes retention for compliance log data.

호환 플랫폼

SATA 6Gb/초, compatible with any server with 3.5-inch SATA bays. Dell PowerEdge R650/R660/R750/R760/R770, 엑스퓨전 V7, 레노버 씽크시스템. Works with PERC H730/H740/H750/H755/H965i in SATA mode, and any onboard SATA controller.