The Cisco UCS-HD6T7KL4K1 (UCS-HD6T7KL4K1 - Cisco 6TB 7200RPM SAS 12Gb/s 3.5-inch Hard Drive) is a Server Hard Drive component engineered for sustained enterprise-class workloads. This part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include capacity of 6 TB, spindle speed of 7,200 RPM, form factor of 3.5-inch, interface of SAS, data rate of 12 Gb/s. Common deployment scenarios include database transaction-log volumes, virtualization datastores, OS-boot tier, backup-repository targets, and warm-data tiers in tiered-storage architectures. Pro Disk Network supplies the UCS-HD6T7KL4K1 to US business buyers. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The UCS-HD6T7KL4K1 is a Cisco server hard drive component with capacity 6 TB, spindle speed 7,200 RPM, form factor 3.5-inch. Pro Disk Network sells the UCS-HD6T7KL4K1 for $3,526.91 with same-day US shipping and a 30-day return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the UCS-HD6T7KL4K1 are shown on this page.
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Quick Answer: Will the UCS-HD6T7KL4K1 work with my RAID controller?
The UCS-HD6T7KL4K1 operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the UCS-HD6T7KL4K1 ship?
UCS-HD6T7KL4K1 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The UCS-HD6T7KL4K1 is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Veeam Backup Repository — Cost-optimised backup target for Veeam B&R, Rubrik, or Cohesity primary backup tier. RAID 6 over 8–24 drives delivers 100+ TB usable per server.
Splunk Warm/Cold Tier — Appropriate for Splunk warm/cold/frozen indexes where ingest write rates are below 200 MB/s per node. Avoid for hot-tier indexes — use NVMe instead.
File Server / SMB Shares — General-purpose Windows Server / Samba shares for departmental file storage. RAID 5 for capacity, RAID 10 for IOPS-sensitive workloads.
Object Storage (Ceph / MinIO) — JBOD presentation behind Ceph OSDs or MinIO erasure-coded pools. Mix with NVMe metadata drives for production object stores.
What is the UCS-HD6T7KL4K1?
The UCS-HD6T7KL4K1 is a Cisco enterprise-grade hard drive with capacity 6 TB and spindle speed 7,200 RPM, manufactured by Cisco. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of UCS-HD6T7KL4K1
Pros
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
Cons
Not recommended for OLTP databases above 50 TPS
Mechanical drive — expect 5–10W idle power per unit
3.5" form factor only — confirm caddy fit before ordering
Frequently Asked Questions about UCS-HD6T7KL4K1
Is the UCS-HD6T7KL4K1 a genuine Cisco part?
Yes. Pro Disk Network sources every UCS-HD6T7KL4K1 as factory-original Cisco inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Cisco servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the UCS-HD6T7KL4K1 work with my RAID controller?
The UCS-HD6T7KL4K1 operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the UCS-HD6T7KL4K1 ship?
UCS-HD6T7KL4K1 orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the UCS-HD6T7KL4K1?
New UCS-HD6T7KL4K1 units carry the full Cisco manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the UCS-HD6T7KL4K1?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the UCS series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
UCS-HD10T7KEM — UCS-HD10T7KEM - Cisco 10TB 7200RPM SAS 12Gb/s 3.5-inch Hard Drive — $2,653.78
UCS-HD10T7KL4K — UCS-HD10T7KL4K - Cisco 10TB 7200RPM SAS 12Gb/s 3.5-inch Hard Drive for C220 M4 Rack Server Systems — $1,097.89
UCS-HD12T10KS2-E — UCS-HD12T10KS2-E - Cisco 1.2TB 10000RPM SAS 6Gb/s Hot-Swappable 2.5-inch SFF Hard Drive — $273.91
UCS-HD12T10KS2E-RF — UCS-HD12T10KS2E-RF - Cisco 2TB 10000RPM SAS 6Gb/s 2.5-inch Hard Drive — $172.64
UCS-HD12T10NK9 — UCS-HD12T10NK9 - Cisco 2TB 10000RPM SAS 12Gb/s 2.5-inch Hard Drive — $2,657.38
UCS-HD12TB10K12G — UCS-HD12TB10K12G - Cisco 1.2TB 10000RPM SAS 12GB/s Hot-Swap 2.5-inch Hard Drive — $1,137.09
UCS-HD12TB10K12N — UCS-HD12TB10K12N - Cisco 1.2TB 10000RPM SAS 12GB/s Hot-Swap 128MB Cache 2.5-inch Hard Drive for UCS C220 M5 Rack Server — $403.00
UCS-HD12TB10KHY-E — UCS-HD12TB10KHY-E - Cisco 1.2TB 10000RPM SAS 12Gb/s Hot-Swappable 3.5-inch Hard Drive — $1,494.21
UCS-HD18TB10K4KN — UCS-HD18TB10K4KN - Cisco 1.8TB 10000RPM SAS 12Gb/s 2.5-inch Hard Drive for UCS C220 M5 Rack Server — $712.64
UCS-HD18TB10KS4K — UCS-HD18TB10KS4K - Cisco 1.8TB 10000RPM SAS 12Gb/s 2.5-inch SFF Hard Drive — $331.58
UCS-HD18TB10KS4K1 — UCS-HD18TB10KS4K1 - Cisco 1.8TB 10000RPM SAS 12Gb/s 2.5-inch Hard Drive — $294.22
UCS-HD1T7K12G — UCS-HD1T7K12G - Cisco 1TB 7200RPM SAS 12Gb/s 2.5-inch Hard Drive — $307.59
Pro Disk Network Buyer’s Guide: Server Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
For VMware vSAN deployments, the UCS-HD6T7KL4K1 is best deployed in the capacity tier with NVMe cache drives in front. Size the cache layer at 10% of usable capacity for write-intensive workloads and 5% for read-leaning workloads. For Veeam backup repositories, plan around 1.5× the size of your protected estate to allow for incremental forever chains plus synthetic fulls. Splunk warm tier sizing should follow the daily ingest rate × retention days × 1.6 compression overhead.
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
For VMware ESXi 8 hosts, enable vSphere's predictive-failure analysis on the UCS-HD6T7KL4K1 via the host's storage device list. The host queries SMART on a regular cadence and surfaces yellow/red warnings in vCenter before the drive fails outright. On Linux, use smartctl piped to your monitoring system; on Windows Server, Storage Spaces exposes health state directly in Server Manager.