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그만큼 $28,000 Line Item Nobody Questions Until It Is Too Late
A dual-socket server with 64 cores costs the same to license on VMware as a dual-socket server with 128 코어. A single-socket server with 160 cores costs half as much. This is not a bug – it is the licensing model that VMware, 마이크로소프트, and Oracle have used for decades. And in 2026, with single-socket processors now delivering more cores than most dual-socket configurations from two years ago, the licensing math has flipped in favor of single-socket platforms in ways that most procurement teams have not yet factored into their RFPs.
Single-Socket Servers Are No Longer the Budget Option
The Dell PowerEdge R470 (1x Xeon 6, 까지 144 E-cores) and R7715 (1x AMD EPYC 9005, 까지 160 코어) deliver more compute in a single socket than a dual-socket R750 with 2x 28-core Xeon Scalable 3rd Gen CPUs from 2021. The performance gap has closed. The licensing gap has not.
| 플랫폼 | Socket Count | Max Cores | VMware vSphere Enterprise Plus (3-년도) | Windows Server Datacenter (per core, 3-년도) | Oracle Enterprise Edition (per core, 3-년도) |
|---|---|---|---|---|---|
| Dell R7715 | 1x EPYC 9845 (160기음) | 1 | 160 | $5,995 (1 socket) | $99,840 (160 cores x $624) | $3,800,000 (160 cores x $23,750) |
| Dell R770 | 2x Xeon 6 (144 E-cores each) | 2 | 288 | $11,990 (2 sockets) | $179,712 (288 cores x $624) | $6,840,000 (288 cores x $23,750) |
| Dell R750 | 2x Xeon Gold 6338 (32C each) | 2 | 64 | $11,990 (2 sockets) | $39,936 (64 cores x $624) | $1,520,000 (64 cores x $23,750) |
The numbers are brutal: a 160-core single-socket EPYC server costs half the VMware licensing of a 64-core dual-socket server that delivers 60% fewer cores. Oracle licensing amplifies this effect to an eye-watering degree – the per-core Oracle license on a 160-core single-socket platform costs $3.8 million, but the per-core Oracle license on a 288-core dual-socket platform costs $6.84 million. That $3 million difference alone buys the entire server fleet.
When Single-Socket Makes Sense – And When It Does Not
Clear Wins for Single-Socket
- Any workload licensed per-socket: VMware vSphere, Windows Server Standard (licensed per physical core but the socket multiplier matters for Datacenter), SQL Server Standard (licensed per core or Server+CAL, but the core model favors fewer sockets), and any ISV application with per-socket pricing.
- Horizontally scaled, stateless workloads: Kubernetes workers, web servers, API gateways, microservices. These scale by adding nodes, not by adding sockets to nodes. A fleet of 10x R470 single-socket nodes costs half the VMware licensing of 5x R770 dual-socket nodes while delivering more aggregate compute.
- HCI deployments: vSAN, Nutanix, and Azure Stack HCI where the licensing cost often exceeds the hardware cost over the deployment lifecycle. Single-socket HCI nodes with 160-core EPYC processors are the most licensing-efficient HCI building block available.
Where Dual-Socket Still Wins
- Memory capacity requirements beyond 6 결핵: Single-socket platforms currently top out at 24 DIMMS (R7715: 6 결핵). If your workload needs 8 TB or more in a single node, dual-socket platforms with 32 DIMMS (R770: 8 결핵) or 4-socket platforms with 64 DIMMS (R860: 16 결핵) 필요합니다.
- PCIe expansion density: Single-socket R7715 offers 8x PCIe Gen5 slots. Dual-socket R770 offers more expansion via OCP 3.0 mezzanine slots in addition to traditional PCIe. If you need dual 100GbE NICs, a GPU, a storage HBA, and an FPGA in one server, dual-socket provides more flexibility.
- High-availability at the hardware level: A dual-socket server can survive a CPU failure without shutting down the node. In a single-socket server, a CPU failure means the node is down until the CPU is replaced. For Tier 1 workloads that cannot tolerate unplanned downtime at the hardware layer, dual-socket redundancy has value that licensing math does not capture.
- Oracle core-factor licensing: Oracle applies a core factor to different processor families that can dramatically change the effective cost. Always run your specific Oracle licensing scenario through Oracle’s core factor table – the raw per-core numbers above are a simplified illustration, not a binding quote.
Three Questions That Should Be in Every Server RFP
1. Is this workload licensed per-socket or per-core? If per-socket, single-socket platforms are almost always the correct answer. If per-core and your workload is thread-parallel (not single-thread-bound), single-socket with high core counts still wins because you pay only for the cores you use.
2. What is the memory-to-core ratio of your current workload? Measure peak memory utilization and peak CPU utilization over 30 날. If your workloads consistently max out memory before CPU, you may need the 32-DIMM dual-socket platform regardless of licensing savings. If CPU is the bottleneck and memory runs at 40-60% utilization, single-socket with 24 DIMMs fits comfortably.
3. How long until your next hardware refresh? Licensing costs compound annually. If you refresh on a 3-year cycle, the licensing savings from single-socket compound for 36 months. If you refresh on a 5-year cycle, they compound for 60 months. Single-socket licensing savings grow larger the longer your refresh cycle – and most enterprises are extending, not shortening, refresh cycles in 2026.
Source Single-Socket and Dual-Socket Platforms Through Xincuan
We configure both single-socket (R470, R7715) and dual-socket (R660, R760, R770, R860, R960) platforms with factory-direct pricing, 3-1년 보증, and global shipping. Our pre-sales engineers can run a licensing TCO comparison for your specific software stack – VM웨어, Windows 서버, 신탁, SQL 서버, or any ISV application – to determine whether single-socket savings justify the platform choice.
Request a licensing TCO comparison for your server fleet
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