Enwere ụdị oghere eletrik atọ maka diski nchekwa 2.5-inch / 3.5-inch: PCIe, SAS na SATA, “N'oge gara aga, ụlọ ọrụ IEEE ma ọ bụ OIF-CEI ma ọ bụ ndị otu na-ebute mmepe nke njikọ data center. eziokwu taa agbanweela nke ukwuu.Ndị na-ahụ maka ebe data buru ibu dị ka Amazon, Apple, Facebook, Google na Microsoft na-anya teknụzụ, ọ bụchaghị na-echere ụkpụrụ ka emechaa, mana onye ọrụ ga-ekpebi ihe niile.Maka arụmọrụ n'ọdịnihu nke PCIe SSD, SAS SSD na SATA SSD ahịa, kesaa amụma Gartner mere maka ntụaka na nzikọrịta ozi onye ọ bụla.
Banyere PCIe
Ihe ịrụ ụka adịghị ya na PCIe bụ ọkọlọtọ ụgbọ ala ụgbọ njem kachasị ewu ewu, yana emelitere ya ugboro ugboro n'afọ ndị na-adịbeghị anya: PCIe 3.0 ka bụ nke kachasị ewu ewu, PCIe 4.0 na-ebili ngwa ngwa, PCIe 5.0 na-aga izute gị, nkọwapụta PCIe 6.0 emechaala ụdị 0.5. , ma nye ndị otu nzukọ ahụ, a ga-ahapụ ya n'afọ na-abịa n'ụdị nhazi ikpeazụ.
Mpempe akwụkwọ nkọwapụta PCIe ọ bụla na-aga ụdị / ọkwa ise dị iche iche:
Ụdị 0.3: Echiche mbido nke na-egosi njirimara ndị bụ isi na nhazi nke nkọwapụta ọhụrụ.
Ụdị 0.5: Nkọwapụta mbụ nke na-akọwapụta akụkụ niile nke ụlọ ọhụrụ ahụ, na-agụnye nzaghachi sitere n'aka ndị otu nzukọ dabere na ụdị 0.3, ma tinye atụmatụ ọhụrụ nke ndị otu rịọrọ gbakwunyere atụmatụ ọhụrụ.
Ụdị 0.7: Mpempe akwụkwọ zuru ezu, akụkụ niile nke nkọwapụta ọhụrụ ahụ kpebisiri ike, yana nkọwa eletrik ga-ejikwa mgbawa ule nyochaa.Ọnweghị atụmatụ ọhụrụ agaghị agbakwunye ma emechaa.
Ụdị 0.9: Usoro ikpeazụ nke ndị otu nzukọ nwere ike chepụta ma mepụta teknụzụ na ngwaahịa nke ha.
Ụdị 1.0: Ntọhapụ ikpeazụ, ntọhapụ ọha.
N'ezie, mgbe mwepụta nke ụdị 0.5, ndị na-emepụta nwere ike ịmalite ịmepụta ibe ule iji kwadebe maka ọrụ na-esote n'ọdịnihu.
PCIe 6.0 abụghị ihe ọzọ.Mgbe azụ azụ dakọtara na PCIe 5.0/4.0/3.0/2.0/1.0, data ọnụego ma ọ bụ I/O bandwit ga- okpukpu abụọ ọzọ 64GT/s, na n'ezie unidirectional bandwit nke PCIe 6.0 × 1 bụ 8GB/s.PCIe 6.0 × 16 nwere 128GB/s n'otu ụzọ yana 256GB/s n'akụkụ abụọ ahụ.
PCIe 6.0 ga-aga n'ihu na ntinye koodu 128b / 130b ewebata na oge PCIe 3.0, mana gbakwunye PAM4 mgbanwe njupụta nke pulse ọhụrụ iji dochie PCIe 5.0 NRZ, nke nwere ike itinyekwu data n'otu ọwa n'otu oge, yana obere oge. Ndozi njehie latency forward (FEC) na usoro ndị metụtara ya iji melite arụmọrụ bandwidth.
Banyere SAS
Serial Attached SCSI interface (SAS), SAS bụ ọgbọ ọhụrụ nke teknụzụ SCSI, na diski ike Serial ATA (SATA) na-ewu ewu bụ otu, bụ ojiji nke teknụzụ serial iji nweta ọsọ nnyefe dị elu, yana site n'imebi akara njikọ ahụ na melite oghere ime.SAS bụ interface ọhụrụ emepụtara ka SCSI yiri ya.Emebere interface a iji melite arụmọrụ, ịdị adị, na scalability nke sistemụ nchekwa, na-enye ndakọrịta na draịvụ ike SATA.Ihe interface SAS abụghị naanị na ọ dị ka SATA, mana ọ dabara na ọkọlọtọ SATA azụ azụ.Backpanel nke sistemu SAS nwere ike jikọọ ma ọdụ ụgbọ mmiri abụọ, draịva SAS dị elu na ikike dị elu, draịva SATA dị ọnụ ala.N'ihi ya, SAS draịva na SATA draịva nwere ike ibikọ ọnụ n'otu usoro nchekwa.Agbanyeghị, ekwesịrị ịmara na sistemụ SATA anaghị dakọtara na SAS, yabụ enweghị ike ijikọ draịva SAS na ụgbọ elu SATA.
E jiri ya tụnyere nnukwu mmụba n'ihu mmepe nke nkọwa PCIe n'afọ ndị na-adịbeghị anya, nkọwapụta SAS ji nwayọọ nwayọọ malite nwayọ, yana na Nọvemba 2019, a tọhapụrụ nkọwapụta SAS 4.1 site na iji ọnụego interface 24Gbps, yana nkọwapụta SAS 5.0 na-esote. nkwadebe, nke ga-abawanye ọnụ ọgụgụ interface na 56Gbps.
Ka ọ dị ugbu a, n'ọtụtụ ngwaahịa ọhụrụ, SAS interface SSD SSD dị ole na ole, onye na-ahụ maka teknụzụ onye ọrụ ịntanetị kwuru na ndị ọrụ ịntanetị anaghị eji SAS SSD, ọkachasị n'ihi ebumnuche arụmọrụ ọnụ, SAS SSD n'etiti PCIe na SATA SSD, na-emenye ihere, arụmọrụ nwere ike. agaghị atụnyere PCIe.Ultra-nnukwu data center na-ahọrọ PCIe, ọnụahịa enweghị ike ịnweta SATA SSD, ndị ahịa ahịa nkịtị na-ahọrọ SATA SSD.
Ihe gbasara SATA
SATA bụ Serial ATA (Serial Advanced Technology Attachment), nke a makwaara dị ka Serial ATA, nke bụ nkọwapụta interface diski ike nke Intel, IBM, Dell, APT, Maxtor na Seagate kwadoro.
SATA interface na-eji eriri 4 na-ebufe data, usoro ya dị mfe, Tx +, Tx- na-egosi ahịrị data dị iche iche nke mmepụta, kwekọrọ, Rx +, Rx- na-egosi ahịrị data dị iche iche ntinye, dị ka ihe kachasị eji diski diski ike na ahịa, ụdị a na-ewu ewu ugbu a bụ 3.0, uru kachasị ukwuu nke SATA 3.0 interface kwesịrị ịbụ tozuru okè, Nkịtị 2.5-inch SSD na HDD diski ike na-eji interface a, bandwidth nnyefe nke 6Gbps, ọ bụ ezie na e jiri ya tụnyere interface ọhụrụ nke 10Gbps na 32Gbps bandwit n'ebe ahụ. bụ ụfọdụ oghere, ma nkịtị 2.5-inch SSD nwere ike izute kwa ụbọchị ngwa mkpa nke ọtụtụ ndị ọrụ, 500MB/s ma ọ bụ otú ịgụ na ide ọsọ zuru ezu.
Oge nzipu: Nov-10-2023
