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Essentials
Product CollectionIntel® Xeon® W Processor
Code NameProducts formerly Cascade Lake
Vertical SegmentWorkstation
Processor NumberW-3275M
Lithography14 nm


CPU Specifications
Total Cores28
Total Threads56
Max Turbo Frequency4.40 GHz
Intel® Turbo Boost Max Technology 3.0 Frequency ‡4.60 GHz
Processor Base Frequency2.50 GHz
Cache38.5 MB
Max # of UPI Links0
Bus Speed8 GT/s
TDP205 W


Supplemental Information
Marketing StatusLaunched
Launch DateQ2'19
Embedded Options AvailableNo
DatasheetView now
Product BriefView now


Memory Specifications
Max Memory Size (dependent on memory type)2 TB
Memory TypesDDR4-2933
Maximum Memory Speed2933 MHz
Max # of Memory Channels6
Intel® Optane™ Persistent Memory SupportedNo
ECC Memory Supported   Yes


Expansion Options
Scalability1S Only
PCI Express Revision3
Max # of PCI Express Lanes64


Package Specifications
Sockets SupportedFCLGA3647
TCASE76°C
Package Size76.0mm x 56.5mm


Advanced Technologies
Intel® Deep Learning Boost (Intel® DL Boost) on CPUYes
Intel® Speed Select Technology - Performance ProfileNo
Intel® Speed Select Technology - Base FrequencyNo
Intel® Resource Director Technology (Intel® RDT)No
Intel® Speed Shift TechnologyYes
Intel® Turbo Boost Max Technology 3.0 ‡Yes
Intel® Turbo Boost Technology ‡2
Intel® Hyper-Threading Technology ‡Yes
Intel® Transactional Synchronization ExtensionsYes
Intel® 64 ‡Yes
Instruction Set ExtensionsIntel® AVX-512
# of AVX-512 FMA Units2
Enhanced Intel SpeedStep® TechnologyYes
Intel® Volume Management Device (VMD)Yes


Security & Reliability
Intel vPro® Eligibility ‡Intel vPro® Platform
Intel® AES New InstructionsYes
Intel® Trusted Execution Technology ‡Yes
Execute Disable Bit ‡Yes
Intel® Boot GuardYes
Intel® Run Sure TechnologyYes
Mode-based Execute Control (MBEC)Yes
Intel® Virtualization Technology (VT-x) ‡Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡Yes
Intel® VT-x with Extended Page Tables (EPT) ‡Yes